bluuebunny/crossref_metadata_2025_split huggingface dataset:
Long-Autonomy Unmanned Aircraft Vehicle (UAV) for Quick Release of Ocean Minidrifters
Authors: Roa Antonio Gómez , Flores-Vidal Xavier , Gastelum Orlando Avendaño , Núñez Rogelio , Rangel Andrés Sandoval , Liera Grijalva Cesar A. , Nieto Hipólito Juan Ivan 
Published: August 2020

AbstractIn this work we present an unmanned aircraft vehicle (UAV) designed from off-the-shelf components to release ocean minidrifters. Its endurance (~1 h), payload (~5 kg), offshore range (~30 km), capability of operating into wind conditions of ~10 kt (1 kt ≈ 0.51 m s−1), high-precision autopilot (2–3 m), and flying altitude of ~500 m above sea level, along with its relatively low cost [<$5,000 (U.S. dollars)] enables quick and relatively easy oceanographic applications beyond 10 km offshore. We report here the very first successful ocean drifter releases, performed along the Baja California coast, between Tijuana and Rosarito, Mexico, and the technical details of the UAV. About 50 experiments (flights) allowed us to improve the takeoff and landing, the release tunnel for minidrifters, the cruise speed and altitude to release drifters safely, and to implement a parachute that controls the speed of the freefalling minidrifters. Quick release of up to six drifters (armed with real-time data transfer and web display) between 2 and 12 km offshore were performed at ~500 m above sea level, during a single flight in under 15 min, as opposed to classic techniques using boats or ships that, although can transport much more weight, can take several hours, use more human resources, and increase cost. Here we propose a novel open-source technique that can be used as a simplified method for scientific ocean measurements, as a quick-response emergency tool to map spills or for search and rescue.
A Climatology of Indirect Tropical Cyclone Interactions in the North Atlantic and Western North Pacific Basins
Authors: Prince Kevin C. , Evans Clark 
Published: August 2020

AbstractWhile it is understood that a recurving tropical cyclone (TC) that interacts with the midlatitude flow can cause large changes to the midlatitude flow pattern, it is much less understood if, and how, such events could impact a downstream tropical cyclone. Here, an indirect TC interaction is defined as one in which a primary TC perturbs the downstream midlatitude waveguide within one synoptic-scale wavelength of a secondary TC. In this study, a climatology and composite analysis using ERA-Interim reanalysis data is completed for all indirect interactions occurring between two tropical and/or subtropical cyclones in the North Atlantic and western North Pacific basins between 1989 and 2018. In all, 26 cases are identified in the North Atlantic and 56 cases are identified in the western North Pacific. The composite-mean interaction between a primary TC and upstream trough amplifies the immediate downstream ridge, increasing the tropospheric-deep vertical wind shear on its poleward and, in the western North Pacific, eastern, and equatorward flanks. An amplified downstream trough is detectable farther downstream in the western North Pacific 1–2 days after interaction onset; however, the same is not true in the North Atlantic, in which some cases exhibit anticyclonic Rossby wave breaking of the immediate downstream ridge. Secondary TCs that weaken following the indirect-interaction events are primarily located along the gradient between the downstream ridge and trough (North Atlantic) or at high latitudes (western North Pacific); those that strengthen are primarily located equatorward of the downstream ridge, particularly in the western North Pacific.
ENSO Dynamics, Trends, and Prediction Using Machine Learning
Authors: Rojo Hernández Julián David , Mesa Óscar José , Lall Upmanu 
Published: August 2020

AbstractEl Niño–Southern Oscillation (ENSO) has global effects on the hydrological cycle, agriculture, ecosystems, health, and society. We present a novel nonhomogeneous hidden Markov model (NHMM) for studying the underlying dynamics of sea surface temperature anomalies (SSTA) over the region 15°N–15°S, 150°E–80°W from January 1856 to December 2019, using the monthly SSTA data from the Kaplan extended SST v2 product. This nonparametric machine learning scheme dynamically simulates and predicts the spatiotemporal evolution of ENSO patterns, including their asymmetry, long-term trends, persistence, and seasonal evolution. The model identifies five hidden states whose spatial SSTA patterns are similar to the so-called ENSO flavors in the literature. From the fitted NHMM, the model shows that there are systematic trends in the frequency and persistence of the regimes over the last 160 years that may be related to changes in the mean state of basin temperature and/or global warming. We evaluated the ability of NHMM to make out-of-sample probabilistic predictions of the spatial structure of temperature anomalies for the period 1995–2016 using a training period from January 1856 to December 1994. The results show that NHMMs can simulate the behavior of the Niño-3.4 and Niño-1.2 regions quite well. The NHMM results over this period are comparable or superior to the commonly available ENSO prediction models, with the additional advantage of directly providing insights as to the space patterns, seasonal, and longer-term trends of the SSTA in the equatorial Pacific region.
Adaptation to the Climate Crisis: Opportunities for Food and Nutrition Security and Health in a Pacific Small Island State
Authors: Savage Amy , Schubert Lisa , Huber Corey , Bambrick Hilary , Hall Nina , Bellotti Bill 
Published: August 2020

AbstractClimate change, malnutrition, and noncommunicable diseases (NCDs) are three of the most significant health challenges of this century, and they share fundamental underlying drivers. Pacific Island countries (PICs) are at the forefront of the impacts of climate change, which is likely to affect food and nutrition security (FNS) directly and indirectly, and many countries have existing high NCD burdens. This paper surveys the climate change adaptation (CCA) landscape in one PIC, Vanuatu. It explores the extent to which FNS and diet-related NCDs are considered and addressed within CCA initiatives. A comprehensive review of the literature related to CCA, FNS, and NCDs in Vanuatu was combined with 32 semistructured interviews with key experts and stakeholders. This study found that some promising groundwork has been laid for tackling the effects of climate change on FNS in policy and governance, agriculture, coastal management, and nutrition. However, several opportunities for strengthening CCA were identified: targeting urban populations; complementary integration of disaster risk reduction and CCA; incorporating local knowledge; applying a systems-based framing of NCDs as climate-sensitive health risks; and emphasizing human-centered, community-led CCA. Vanuatu will continue to be affected by accelerating climate change. A strong foundation for CCA presents clear opportunities for further development. As food and nutrition insecurity and diet-related NCD risk factors are increasingly exacerbated by climate change, alongside other socioeconomic drivers, it is crucial to find new and innovative ways to increase transformational resilience and adaptive capacity that also improve nutrition and health outcomes.
Improving China’s Resilience to Climate-Related Risks: The China Framework for Climate Services
Authors: Wang Yujie , Song Lianchun , Hewitt Chris , Golding Nicola , Huang Zili 
Published: August 2020

AbstractThe primary needs for climate services in China, in the form of climate information for decision-making, are to better prepare for and manage meteorological-related disasters, adaptation to climate change, and sustainable development. In this paper, the vision, structure, content, and governance of the China Framework for Climate Services, which is designed to respond to these primary needs, is described. This paper reflects on practice, lessons, and experience developing and delivering climate services in China for disaster risk reduction, agriculture, water, energy, urbanization, and major engineering projects. Four key aspects of successful climate services are highlighted: the transition of climate research to operational climate services; delivering relevant, tailored, and usable climate information; effective engagement between users and providers of climate services; and building interdisciplinary professional teams. Key challenges and opportunities for climate services are recognized in this paper: a growing gap between climate science and services capability and societal need, a lack of awareness in user communities of the climate service value for their activities, and the important need for closer and more meaningful interactions between users and providers of climate services. The delivery and uptake of high-quality, relevant, usable, and effective climate services will facilitate climate-smart decisions that will reduce climate risks and improve Chinese societal resilience.
Impact of the Climate Matters Program on Public Understanding of Climate Change
Authors: Myers Teresa A. , Maibach Edward W. , Placky Bernadette Woods , Henry Kimberly L. , Slater Michael D. , Seitter Keith L. 
Published: August 2020

AbstractClimate Matters is a localized climate change reporting resources program developed to support television (TV) weathercasters across the United States. Developed as a pilot test in one media market in 2010, it launched nationwide in 2013; in the autumn of 2019 more than 797 weathercasters were participating in the program. In this paper we present evidence of the impact of the Climate Matters program on Americans’ science-based understanding of climate change. We analyzed three sets of data in a multilevel model: 20 nationally representative surveys of American adults conducted biannually since 2010 (n = 23 635), data on when and how frequently Climate Matters stories were aired in each U.S. media market, and data describing the demographic, economic, and climatic conditions in each media market. We hypothesized that 1) reporting about climate change by TV weathercasters will increase science-based public understanding of climate change and 2) this effect will be stronger for people who pay more attention to local weather forecasts. Our results partially support the first hypothesis: controlling for market-level factors (population size, temperature, political ideology, and economic prosperity) and individual-level factors (age, education, income, gender, and political ideology), there is a significant positive association between the amount of Climate Matters reporting and some key indicators of science-based understanding (including that climate change is occurring, is primarily human caused, and causes harm). However, there was no evidence for the second hypothesis. These findings suggest that climate reporting by TV weathercasters, as enabled by the Climate Matters program, may be increasing the climate literacy of the American people.
A Multi-Institutional Analysis of Damage Control Laparotomy in Elderly Trauma Patients: Do Geriatric Trauma Protocols Matter?
Authors: Smith Alison , Onyiego Alexandra , Duchesne Juan , Tatum Danielle , Harris Charles , Moreno-Ponte Oscar I. , Strumwasser Aaron , Inaba Kenji , O’Keeffe Terence , Black Joshua , Quintana Megan T. , Gupta Shailvi , Brocker Jason , Schreiber Martin , Pickett Maryanne L. , Cripps Michael W. , Guidry Chrissy 
Published: August 2020

Background Trauma centers are receiving increasing numbers of older trauma patients. There is a lack of literature on the outcomes for elderly trauma patients who undergo damage control laparotomy (DCL). We hypothesized that trauma centers with geriatric protocols would have better outcomes in elderly patients after DCL. Methods A retrospective chart review of consecutive adult trauma patients with DCL at 8 level 1 trauma centers was conducted from 2012 to 2018. Patients aged 40 or older were included. Age ≥ 55 years was defined as elderly. Demographics, injury information, clinical outcomes, including mortality, and complications were recorded. Univariate and multivariate analyses were performed. Results A total of 379 patients with DCLs were identified with an average age of 54.8 ± 0.4 years with 39.3% (n = 149/379) of patients aged ≥ 55. Geriatric protocols or a consulting geriatric service was present at 37.5% (n = 3/8) of institutions. Age ≥ 55 was a significant risk factor for in-hospital mortality (OR 2, 95% CI 1.0-4.0, P = .04). Institutions without dedicated geriatric trauma protocols/services had higher overall in-hospital mortality on both univariate (57.9% vs 34.3%, P = .02) and multivariate analyses (OR 2.1, 95% CI 1.3-3.4, P < .001). Conclusions Surgical management of older trauma patients remains a challenge. Geriatric protocols or dedicated services were found to be associated with improved outcomes. Future efforts should focus on standardizing the availability of these resources at trauma centers.
Lasers in Cholesteatoma Surgery: A Systematic Review
Authors: Lau Kimberley , Stavrakas Marios , Yardley Mark , Ray Jaydip 
Published: August 2020

Objectives: The mainstay of cholesteatoma treatment is surgical and requires the removal of all squamous epithelium from the underlying normal structure. The application of laser technology in middle ear and mastoid surgery has shown promise in achieving both disease eradication and hearing preservation. This systematic review aims to include studies that have assessed the application of laser to the treatment of cholesteatoma and to review its outcomes in terms of disease eradication as well as hearing results. Method: Two independent researchers conducted a systematic review of the literature on MEDLINE and Cochrane library, according to PRISMA guidance. Result: The search resulted in 12 papers, reporting on 536 participants that fulfilled the inclusion criteria. The hearing results did not show that using laser surgery improved hearing in cholesteatoma surgery, but neither has the use of laser shown to deteriorate hearing. With regards to the prevention of residual/recurrent cholesteatoma, the current literature reports a residual/recurrent rate of 0% to 33%. The complication rate of facial palsy is 0.6%. Conclusion: While there is certainly a role for future studies especially randomised large-cohort prospective comparative studies, the current literature suggests that laser may have a role in prevention or minimizing of residual cholesteatoma and generally have a safe hearing outcome profile.
Antibiotic Prophylaxis for Thyroid and Parathyroid Surgery: A Systematic Review and Meta‐analysis
Authors: Medas Fabio , Canu Gian Luigi , Cappellacci Federico , Romano Giorgio , Amato Giuseppe , Erdas Enrico , Calò Pietro Giorgio 
Published: August 2020

ObjectiveAlthough thyroid and parathyroid surgery is considered a clean procedure with a low incidence of surgical site infections (SSIs), a great number of endocrine surgeons use antibiotic prophylaxis (AP). The aim of this study was to assess whether AP is significantly effective in reducing the incidence of SSIs in this kind of surgery.Data SourcesA systematic literature search was performed with PubMed, Scopus, and ISI–Web of Science. Studies addressing the efficacy of AP in reducing the incidence of SSIs in thyroid and parathyroid surgery were included in the systematic review and meta‐analysis.Review MethodsThe random effects model was assumed to account for different sources of variation among studies. The overall effect size was computed through the inverse variance method. Heterogeneity across studies, possible outlier studies, and publication bias were evaluated.ResultsA total of 6 studies with 4428 patients were included in the quantitative analysis. The incidence of SSI was 0.6% in the case group and 0.4% in the control group (odds ratio, 1.07; 95% CI, 0.3‐3.81; P =. 915). There was no evidence of heterogeneity among the studies (Q = 8.36, P =. 138; I2 = 40.17). The analysis of several continuous moderators, including age, use of drain, and duration of surgery, did not generate any significant result.ConclusionAP is not effective in reducing the incidence of SSI in thyroid and parathyroid surgery and should be avoided, notwithstanding the negative impact on social costs and the risk of development of antibiotic resistance.
Bereavement care interventions for children under the age of 18 following the death of a sibling: a systematic review
Authors: Ridley Ashley , Frache Sandra 
Published: August 2020

Background: Childhood bereavement after sibling death is common, but often unrecognized. The psychosomatic and socioeconomic outcomes of bereaved children can be compromised if appropriate care is unavailable during the formative years leading into adulthood. Aim: This review aims to describe the methods, structures and procedures of bereavement care for children and adolescents after the loss of a sibling, and the impact on the families benefiting from these interventions. Design: A systematic review without restriction on study design was conducted. Data sources: Four databases (MEDLINE, PsycINFO, EMBASE, Cochrane Library) were searched for articles published from 2000 to 2019. The search was conducted according to PRISMA guidelines and the protocol is registered on PROSPERO under number CRD42019124675. Articles were assessed against eligibility criteria by both authors, and quality was appraised using CASP checklists and NHMRC grading guidelines. Results: Twenty-three studies met inclusion criteria. Bereavement care was most often accessed by children ages 6–18 who lost a sibling to cancer 6–12 months prior. The interventions were typically group sessions or weekend camps, run predominantly by unpaid staff from a variety of backgrounds. Some staff members received priori specific training. Grief education is taught through mediated discussion and bereavement-centered activities balanced with playful and relaxed activities. Several services have effectuated evaluations of their interventions, and preliminary results show a positive effect for families. Conclusion: Existing literature most likely gives an incomplete picture of appropriate childhood bereavement care, and many interventions possibly remain unpublished or published in other non-scientific sources. An effective response to childhood grief would involve collaboration between medical resources and community services, reinforced through the development of outreach and training programs.
Fatal intracranial hemorrhage after carotid artery stenting: Three case reports and a literature review
Authors: Zhou Yumiao , Zheng Chaobo , Chen Liang , Lin Yuanyuan 
Published: August 2020

Introduction We herein describe three patients who developed fatal intracranial hemorrhage (ICH) after carotid artery stenting (CAS). Case Presentation: We retrospectively reviewed 126 patients who underwent CAS from January 2016 to December 2018 and identified 3 patients (2.4%) (all male, mean age of 59 years) who developed ICH after CAS. Two of them developed left basal ganglia hemorrhage with extension into the ventricle and subarachnoid space, and the third patient developed primary ventricular bleeding. One hemorrhage occurred immediately after CAS, whereas the other two occurred 3 hours and 8 hours after the procedure, respectively. The mean stenosis of the treated carotid arteries was 91%. All three hemorrhages were fatal, and the mean time from hemorrhage to death was 50 hours. Conclusion ICH is a potentially fatal complication of CAS and often occurs several hours after the procedure. Headache, vomiting, and consciousness disorders are the most common symptoms of ICH. Careful screening to identify high-risk patients and strict management of perioperative blood pressure are important to prevent this complication.
Associations between hepatocellular carcinoma risk and rs3212227 and rs568408 polymorphisms: a systematic review and meta-analysis
Authors: Kong Cunqing , Chen Miao , Fan Xiaohui , Chen Xingcai 
Published: August 2020

Background Interleukin-12 (IL-12) is considered to be a risk factor for cancer; however, its role in hepatocellular carcinoma (HCC) remains unknown. This study aimed to explore the impacts of the IL-12 rs3212227 and rs568408 gene polymorphisms on HCC. Methods We searched PubMed, Embase, Web of Science, and Chinese Knowledge Infrastructure databases for studies on the associations between HCC and IL-12 rs568408 and rs3212227 polymorphisms published prior to 1 May 2020. The effects of the polymorphisms on HCC susceptibility were presented as odds ratios (ORs) and associated 95% confidence intervals. Results Seven studies were ultimately included, including 2375 cases and 3445 controls. The rs3212227 polymorphism was significantly associated with the risk of HCC in both the dominant model (CC+AC vs. AA, OR=1.22) and the allele model (C vs. A, OR=1.12). Combined analysis of rs568408 yielded a significant relative risk for HCC in the dominant (AA+AG vs. GG, OR=1.13), recessive (AA vs. AG+GG, OR=1.72), allele (A vs. G, OR=1.29), heterozygote (AG vs. GG, OR=1.27), and homozygote models (AA vs. GG, OR 1.17). Conclusion The IL-12 rs3212227 and rs568408 gene polymorphisms are associated with an increased risk of HCC.
Chinese men living in urban areas of Shijiazhuang, Hebei at higher risk of overweight or obesity
Authors: Kong De-Xian , Su Xiao-feng , Zhao Jing-wei , Chen Lian , Meng Ling-bing , Zhang Zhen-xi , Yang Sen , Zhang Lei , Liu Ya-bin 
Published: August 2020

Objective The prevalence of overweight/obesity in China has increased dramatically in recent years; being overweight/obese can increase the risk of type 2 diabetes and cardiovascular disease. The purpose of this study was to determine the population in China at high risk of being overweight or obese, to explore the relationships between various relevant factors and overweight/obesity, and to identify preventive efforts for high-risk populations. Methods We administered a questionnaire survey among a group of 536 social workers in Shijiazhuang City in 2017. We used the Pearson chi-square test, Spearman’s rho test, multivariate linear regression, univariate and multivariate logistic regression, and receiver operating characteristic curve analysis to investigate factors that influence overweight/obesity. Results The prevalence of overweight/obesity was 13.7% among the study participants. Urban residence, eating speed, number of daily meals, overeating, and a high-fat diet were associated with overweight/obesity. In multivariate linear regression analysis, overweight/obesity was correlated with sex, urban residence, eating speed, number of daily meals, and a high-fat diet. Conclusion Among all influencing factors, dietary factors, place of residence, and sex were most closely related to being overweight/obese. Furthermore, living in an urban area and male sex were independent risk factors for being overweight/obese.
Managerial ownership, audit committees and non-audit services
Authors: Shan Yuan George , Troshani Indrit , Loftus Janice 
Published: August 2020

We extend prior research on corporate governance and non-audit services (NAS) by distinguishing between the management entrenchment region of management ownership and regions in which the interests of management and shareholders converge. Management entrenchment and convergence-of-interests regions were estimated for our sample of 5198 Australian firm-years. NAS is negatively (positively) associated with management ownership in the convergence-of-interests (entrenchment) regions. However, using a sub-sample based on firms that have audit committees, we find the association between NAS and management ownership is confined to the entrenchment region, while audit committee strength is negatively associated with NAS fees across all management ownership regions. JEL Classification: M42, M48