bluuebunny/crossref_metadata_2025_split huggingface dataset:
Investigating the impact of inventory inaccuracy on the bullwhip effect in RFID-enabled supply chains using colored petri nets
Authors: Drakaki Maria , Tzionas Panagiotis 
Published: February 2019

PurposeInformation distortion results in demand variance amplification in upstream supply chain members, known as the bullwhip effect, and inventory inaccuracy in the inventory records. As inventory inaccuracy contributes to the bullwhip effect, the purpose of this paper is to investigate the impact of inventory inaccuracy on the bullwhip effect in radio-frequency identification (RFID)-enabled supply chains and, in this context, to evaluate supply chain performance because of the RFID technology.Design/methodology/approachA simulation modeling method based on hierarchical timed colored petri nets is presented to model inventory management in multi-stage serial supply chains subject to inventory inaccuracy for various traditional and information sharing configurations in the presence and absence of RFID. Validation of the method is done by comparing results obtained for the bullwhip effect with published literature results.FindingsThe bullwhip effect is increased in RFID-enabled multi-stage serial supply chains subject to inventory inaccuracy. The information sharing supply chain is more sensitive to the impact of inventory inaccuracy.Research limitations/implicationsInformation sharing involves collaboration in market demand and inventory inaccuracy, whereas RFID is implemented by all echelons. To obtain the full benefits of RFID adoption and collaboration, different collaboration strategies should be investigated.Originality/valueColored petri nets simulation modeling of the inventory management process is a novel approach to study supply chain dynamics. In the context of inventory errors, information on RFID impact on the dynamic behavior of multi-stage serial supply chains is provided.
Impact of word-of-mouth, job attributes and relationship strength on employer attractiveness
Authors: Ahamad Faiz 
Published: February 2019

PurposeJob information through word-of-mouth (WOM) has a crucial impact on employer attractiveness. The phenomenal rise of social media offers alternate WOM platforms for sharing job information, which is quite different from traditional face-to-face WOM. The purpose of this paper is to examine the differential impact of traditional word-of-mouth (t-WOM) and social media word-of-mouth (s-WOM) on employer attractiveness along with the difference in the job attributes and relationship strength with the information source.Design/methodology/approachA 2 × 2 × 2 experiment was conducted to examine the impact of information source (t-WOM and s-WOM), job attributes (tangible and intangible) and relationship strength (strong and weak), on employer attractiveness. Source expertise and source trust were treated as the control variable.FindingsThe result shows the differential impact of t-WOM and s-WOM on employer attractiveness. Moreover, t-WOM from strong relation source found to have a high impact on employer attractiveness than s-WOM. No significant difference due to job attributes was found.Research limitations/implicationsUse of only positive WOM and not the negative one, student as the subjects, etc.Practical implicationsThe present study suggests using t-WOM and s-WOM to attract talented job seekers.Originality/valueThis is the first study to analyze the differential impact of t-WOM and s-WOM on employer attractiveness.
Reducing apartment vacancy duration: lessons from affordable housing
Authors: Bollo Christina S. 
Published: February 2019

Purpose
The purpose of this paper is to determine how much variance in vacancy duration can be explained by the architectural attributes of apartments and to illuminate strategies to reduce vacancy duration utilized by non-profit housing providers.

Design/methodology/approach
This is a sequential mixed methods research study with a qualitative variable-gathering phase followed by a quantitative variable-testing phase. Vacancy duration in days was the dependent variable and the attributes of the apartments were the independent variables. Each building functioned as a separate case, with its own results, and the cases were compared to draw conclusions about the strongest predictors for vacancy duration.

Findings
Each case study project has a significant linear regression equation with multiple variables contributing to the variance in tenancy duration. The R2 statistic varied for the case study projects from a low of 10.2 percent to a high of 36.9 percent. Factors that resulted in longer vacancies for two or more of the projects include: unit mix, floor level, road proximity and length of tenancy for the tenant moving out. Factors resulting in shorter vacancies include: corner position in the building and relatively larger size of the apartment.

Research limitations/implications
The geography of the study is limited to Washington State in the USA. However, the case study projects represent three metropolitan statistical areas, with distinct climates and economic conditions. There are limitations to the stepwise analysis method because the degrees of freedom limit the complexity of models that can be estimated.

Practical implications
This paper highlights influences on vacancy duration and proposes conceptual models for measuring the periods of vacancy duration.

Social implications
Through this study, architectural contributions to vacancy were uncovered and tested so that subsidized housing, a public good, can be distributed more efficiently.

Originality/value
This research is the first known study to compare vacancy durations on a unit-by-unit basis.
Structural analysis of wing ribs obtained by additive manufacturing
Authors: Carneiro Pedro Miguel Cardoso , Gamboa Pedro 
Published: February 2019

Purpose
Additive manufacturing (AM) has emerged over the past years as a key technology in aircraft structural components’ manufacturing. This paper aims to describe the numerical analysis and experimental testing of five wing ribs with different 2D topologies manufactured with polylactic acid (PLA) using the fused deposition modeling technology. The main purpose is to determine the best wing rib topology in terms of strength, stiffness and mass.

Design/methodology/approach
Numerical analyses are performed using Ansys Workbench’s static structural analysis for two distinct loading cases. In the first loading, the chord-wise distributed load, resulting from wing lift, is replaced by two equivalent concentrated loads at the leading and trailing edges. This simplification allows the numerical results to be experimentally validated. The second loading has distributed loads applied on the upper and on the lower surfaces of the wing rib to produce a more realistic structural response. Experimental tests are performed with the first loading case to determine maximum displacement and failure loads of the wing ribs studied. SEM is used to analyze fracture surfaces.

Findings
From the five different PLA printed wing rib topologies studied, it is found that truss type configurations are the more structural efficient, that is, truss topologies exhibit better specific strength and specific stiffness. Additionally, the limiting factor in the design of these wing ribs is stiffness rather than strength.

Originality/value
The work identifies the kind of structural topologies that are best suited for 2D wing ribs obtained by AM and leads the way to more complex and more efficient structural layouts to be explored in the future using topology optimization coupled with simple Finite Element Analysis (FEA).
Feeling lucky: hierarchies of suffering and stories of endometrial cancer in a Danish context
Authors: Sidenius Anne , Mogensen Ole , Rudnicki Martin , Møller Lars M. A. , Hansen Helle P. 
Published: February 2019

AbstractIllness stories are a prime analytical way of understanding patient perspectives on cancer. Nevertheless, limited studies have focused on stories of endometrial cancer. An ethnographic study including participant observation and interviews among 18 Danish women with endometrial cancer was conducted to examine prevalent stories and the ways the women responded to them. In this article, the analysis focuses on two exemplary cases, which present a line of issues related to the kinds of experiences that suffering includes. Findings illustrate that feelings of luck were central to the experience of being diagnosed, treated and cured, which was related to the way health professionals framed endometrial cancer as favourable through notions of curable/incurable, trivial and gentle/invasive and brutal, and aggressive/non‐aggressive. Drawing upon the concept of a ‘hierarchy of suffering’, we exemplify how women tended to scale own experiences of suffering against others’, leading some to believe they were not in a legitimate position to draw attention to themselves nor seek help and support, despite adverse physical, psychosocial effects. Thus, feelings of being lucky were intertwined with a sense of ambivalence. We conclude by discussing how suffering arises within a moral context, suggesting that the ways we speak of cancer may make some experiences unspeakable. This calls for increased clinical attention to more diverse narratives of cancer.
Everyone deserves quiche: French school lunch programmes and national culture in a globalized world
Authors: Maxwell Rahsaan 
Published: February 2019

AbstractGlobalization poses many challenges for national cultural unity, especially in Europe. Some doubt whether national cultures will be able to survive, but there are many counter‐trends pushing to maintain national cultural unity. I analyse the dual trends of global diversity and maintaining unity through an everyday manifestation of French culture: elementary school lunches. French school lunch programmes are part of the nation‐building process because they are designed to teach students how to eat, which is especially important in France where the art of gastronomy is a key source of identity and pride. I analyse cultural influences on over 11,000 school lunch menu items from eight municipalities across two French regions. I also conduct in‐depth face‐to‐face interviews with the people who design and approve school lunch menus. My inquiry is guided by three key questions. First, to what extent are foreign influences included? Second, does openness to foreign influences vary across different parts of France? Finally, how are foreign cultures represented? My results suggest that foreign cultures are deployed to nationalize difference. The limited foreign influences that appear in school lunches are strategically chosen to appeal to and to educate students, but in a way that reinforces the centrality of traditional French cultural norms. This article contributes to our understanding of the tension between national culture and a globalizing world.
Susceptibility to ERAP1 gene single nucleotide polymorphism modulates the inflammatory cytokine setting in ankylosing spondylitis
Authors: Hemmatzadeh Maryam , Babaie Farhad , Ezzatifar Fatemeh , Mohammadi Fatemeh S. , Ebrazeh Mehrdad , Golabi Aghdam Shirin , Hajaliloo Mehrzad , Azizi Gholamreza , Gowhari Shabgah Arezoo , Shekari Najibeh , Sehati Nasrin , Hosseinzadeh Ramin , Mohammadi Hamed , Babaloo Zohreh 
Published: February 2019

AbstractAimTo evaluate the association of ERAP1 gene single nucleotide polymorphisms (SNPs) with the risk of ankylosing spondylitis (AS) and their role in modulation of the inflammatory interleukin (IL)‐17/IL‐23 axis in the disease.MethodsFor genotyping, 190 AS cases and 190 healthy controls were enrolled. After DNA extraction, all the subjects were genotyped for rs17482078, rs469876, and rs27038 polymorphisms using single specific primer polymerase chain reaction (PCR) assay. After isolation of peripheral blood mononuclear cells, RNA extraction and complementary DNA synthesis, real‐time PCR using SYBR Green master mix was employed to determine messenger RNA (mRNA) expression of IL‐17A and IL‐23 in PBMCs. Using enzyme‐linked immunosorbent assay, the concentration of these cytokines was determined in serum samples.ResultsIt was observed that the A allele of rs27038 polymorphism significantly increased AS risk (odds ratio [OR] = 1.53, 95% CI =1.11‐2.12; P = 0.0096). Moreover, AA and AG genotypes of this SNP were associated with increased (OR = 2.89, 95% CI = 1.42‐5.85; P = 0.0031) and decreased (OR = 0.57, 95% CI = 0.36‐0.92; P = 0.021), respectively, risk of the disease. The rs27038 SNP was associated with C‐reactive protein level. There were significantly increased mRNA and serum concentrations of both IL‐17A and IL‐23 in AS patients compared with controls. Furthermore, AS patients with the AA in comparison to other genotypes for rs27038 SNP indicated significantly increased mRNA and serum concentration levels for both cytokines.ConclusionsThis study demonstrated the association of ERAP1 gene rs27038 polymorphism with the risk of AS in an Iranian population. Additionally, it seems that rs27038 is involved in the modulation of the inflammatory IL‐17/IL‐23 axis in AS.
17‐α estradiol ameliorates age‐associated sarcopenia and improves late‐life physical function in male mice but not in females or castrated males
Authors: Garratt Michael , Leander Danielle , Pifer Kaitlyn , Bower Brian , Herrera Jonathan J. , Day Sharlene M. , Fiehn Oliver , Brooks Susan V. , Miller Richard A. 
Published: February 2019

AbstractPharmacological treatments can extend mouse lifespan, but lifespan effects often differ between sexes. 17‐α estradiol (17aE2), a less feminizing structural isomer of 17‐β estradiol, produces lifespan extension only in male mice, suggesting a sexually dimorphic mechanism of lifespan regulation. We tested whether these anti‐aging effects extend to anatomical and functional aging—important in late‐life health—and whether gonadally derived hormones control aging responses to 17aE2 in either sex. While 17aE2 started at 4 months of age diminishes body weight in both sexes during adulthood, in late‐life 17aE2‐treated mice better maintain body weight. In 17aE2‐treated male mice, the higher body weight is associated with heavier skeletal muscles and larger muscle fibers compared with untreated mice during aging, while treated females have heavier subcutaneous fat. Maintenance of skeletal muscle in male mice is associated with improved grip strength and rotarod capacity at 25 months, in addition to higher levels of most amino acids in quadriceps muscle. We further show that sex‐specific responses to 17aE2—metabolomic, structural, and functional—are regulated by gonadal hormones in male mice. Castrated males have heavier quadriceps than intact males at 25 months, but do not respond to 17aE2, suggesting 17aE2 promotes an anti‐aging skeletal muscle phenotype similar to castration. Finally, 17aE2 treatment benefits can be recapitulated in mice when treatment is started at 16 months, suggesting that 17aE2 may be able to improve aspects of late‐life function even when started after middle age.
DSM‐5 Alcohol Use Disorder Severity as a Function of Sexual Orientation Discrimination: A National Study
Authors: McCabe Sean Esteban , Hughes Tonda L. , West Brady T. , Veliz Phil , Boyd Carol J. 
Published: February 2019

BackgroundSexual minorities are more likely than their heterosexual counterparts to develop alcohol use disorder (AUD), and understanding the underlying reasons for this heightened risk is a public health priority. This study examined relationships between sexual orientation discrimination and DSM‐5 AUD severity.MethodsThe 2012 to 2013 National Epidemiologic Survey on Alcohol and Related Conditions III conducted in‐person interviews with a nationally representative sample of U.S. adults (N = 36,309). Approximately 2.8% of the target population self‐identified as lesbian, gay, or bisexual, 3.1% had at least 1 past‐year same‐sex sexual partner, and 8.3% reported same‐sex sexual attraction.ResultsAdults who identified as lesbian, gay, bisexual, heterosexual with same‐sex attraction and/or current same‐sex sexual partners, and those not sure of their sexual identity, had higher rates of individual DSM‐5 AUD criteria than heterosexual‐identified adults with only opposite‐sex attraction and sexual partners. Respondents who were bisexual or unsure of their sexual identity consistently had the highest probabilities of endorsing each of these AUD criteria relative to the other subgroups. Differences in AUD severity across sexual orientation subgroups were much larger among women than among men. Sexual minorities who experienced higher levels of sexual orientation discrimination had significantly higher levels of AUD severity than sexual minorities who experienced lower levels or no discrimination. In particular, greater levels of sexual orientation discrimination increased the odds of impaired control criteria and pharmacologic criteria. Associations between prior‐to‐past‐year sexual orientation discrimination and AUD severity were not as robust as those involving past‐year discrimination.ConclusionsSexual minorities are at substantially greater risk of severe DSM‐5 AUD, and this is particularly true among those who experience high levels of sexual orientation discrimination. Findings indicate that proximal experiences of discrimination are more salient than distal experiences. AUD treatment should address recent sexual orientation discrimination given that such experiences are associated with more severe AUD.
Politically connected independent directors and corporate fraud in China
Authors: Kong Dongmin , Xiang Junyi , Zhang Jian , Lu Yiyang 
Published: February 2019

AbstractThis study investigates the effect of politically connected independent directors on a firm's likelihood of committing fraud in China. We classify the political backgrounds of independent directors into three categories based on their employment histories: local background, central background, and local and central background. Using corporate fraud data from 2000 to 2014, we find that independent directors with local political backgrounds significantly reduce the likelihood of a firm committing fraud. Further analysis shows that locally connected independent directors are more likely to have both employment experience in regulatory agencies and financial/accounting/law expertise.
Association between human papillomavirus infection and prostate cancer: A global systematic review and meta‐analysis
Authors: Moghoofei Mohsen , Keshavarz Mohsen , Ghorbani Saeed , Babaei Farhad , Nahand Javid Sadri , Tavakoli Ahmad , Mortazavi Helya Sadat , Marjani Arezoo , Mostafaei Shayan , Monavari Seyed Hamidreza 
Published: February 2019

AbstractAlthough an increasing number of studies have been conducted to evaluate the association between human papillomavirus (HPV) infections and distribution of HPV types worldwide with the risk of prostate cancer (PC), the results remain inadequate. Hence, we investigated the association between HPV infection and PC risk using a meta‐analysis. Relevant studies from January 1990 to December 2016 were searched in PubMed, Web of sciences, and Scopus databases. Pooled odds ratio (OR) and their corresponding 95% confidence interval (CI) were calculated to find the association between the prevalence of HPV and prostate cancer risk. To do so, data from 24 studies with 5546 prostate cancer cases were pooled in order to evaluate the heterogeneity of chief parameters including study region, specimen type, HPV DNA source, detection technique, publication calendar period, and Gleason score. All statistical analyses were performed using STATA 11 and MedCalc 13. A significant positive association was found between HPV infection and PC risk (OR = 1.281; P = 0.026). The genotype 16 was more frequently found in patients with PC which significantly increased the cancer risk (OR = 1.60; P < 0.001). Age 65 and older could significantly escalate PC risk (OR = 3.564; P < 0.001). Our results clearly favor the potential pathogenetic link between HPV infection and increased risk of PC affirming that HPV infections could play a part in the risk of PC.
Business Group Affiliation, Internal Labor Markets, External Capital Markets, and Labor Investment Efficiency
Authors: Jung Boochun , Lee Dongyoung , Rhee S. Ghon , Shin Ilhang 
Published: February 2019

AbstractWe examine how business group affiliation affects a firm's labor investment decisions. Using data from 2002 to 2014, we find that Korean business group‐ (chaebol‐) affiliated firms make more efficient labor investments than nonaffiliated firms. The positive relation between chaebol‐affiliated firms and labor investment efficiency is attributed to the mitigation of underinvestment in labor. Moreover, chaebol affiliates have higher labor productivity than stand‐alone firms. We further show that both labor sharing among affiliated firms and their easy access to external financing lead to more efficient labor investments for chaebol firms, compared to stand‐alone firms.
Conceptual skills and verbal abilities were better in children aged six to seven years who were from more highly educated families and attended sports clubs
Authors: Riso E M , Mägi K , Vaiksaar S , Toplaan L , Jürimäe J 
Published: February 2019

AbstractAimWe explored the cognitive abilities, health behaviour and cardiorespiratory fitness of preschool Estonian children aged 6–7 and any association with parental education, attending sports clubs and gender.MethodsData were obtained from 256 children recruited from 13 randomly chosen kindergartens in Tartu, Estonia. Cognitive abilities were assessed using the modified Boehm Test of Basic Concepts – Third Edition. Objective physical activity (PA) intensity and sedentary levels were measured over seven days by accelerometry. To assess cardiorespiratory fitness, we used the 20‐m shuttle run from the PREFIT test battery. Parents reported their educational attainment, together with their child's sports club attendance, sleep duration and screen time.ResultsChildren from more highly educated families had significantly better test results for conceptual skills, verbal abilities and cardiorespiratory fitness. PA levels, cardiorespiratory fitness and perception and conceptual skills test results were better in children who attended sports clubs. Higher cardiorespiratory fitness level, shorter screen time and sleep duration were associated with better conceptual skills.ConclusionConceptual skills and verbal abilities were better in the children of more highly educated families and if they attended sports clubs. Children's cognitive abilities may benefit from better cardiorespiratory fitness, reduced sedentary activity and less screen time.
High prevalence of pituitary hormone deficiency in both unilateral and bilateral optic nerve hypoplasia
Authors: Dahl Sara , Kristoffersen Wiberg Maria , Teär Fahnehjelm Kristina , Sävendahl Lars , Wickström Ronny 
Published: February 2019

AbstractAimThis study examined the prevalence of neurological impairment and pituitary hormone deficiency (PHD) in patients with unilateral and bilateral optic nerve hypoplasia (ONH).MethodsA population‐based cross‐sectional cohort study of 65 patients (51% female) with ONH was conducted in Stockholm. Of these were 35 bilateral and 30 unilateral. The patients were below 20 years of age, living in Stockholm in December 2009 and found through database searching. The median age at the analysis of the results in January 2018 was 16.1 years (range 8.1–27.5 years). Neurological assessments and blood sampling were conducted, neuroradiology was reviewed and growth curves were analysed. Diagnoses of PHDs were based on clinical and biochemical evidence of hormone deficiency.ResultsNeurological impairments were identified in 47% of the patients and impairments in gross and fine motor function were more prevalent in bilateral ONH (p < 0.001). In addition, 9% had cerebral palsy and 14% had epilepsy. The prevalence of PHD was 29 and 19% had multiple PHD.ConclusionChildren with ONH had a high risk of neurological impairment, especially in bilateral disease. Both unilateral and bilateral ONH signified an increased prevalence of PHD and all these children should be endocrinologically followed up until completed puberty.