bluuebunny/crossref_metadata_2025_split huggingface dataset:
The Engel Curves of Non-Cooperative Households
Authors: Chiappori Pierre-Andre , Naidoo Jesse 
Published: January 2020

AbstractWe provide a set of necessary and sufficient conditions for a system of Engel curves to have been generated by a non-cooperative model of family behaviour. These conditions fully characterise the local behaviour of household-level consumption in the cross-section, i.e., as a function of total income and distribution factors. In this setting, any demand system compatible with a non-cooperative model is also compatible with a collective model, but the converse is not true. We describe how these nested conditions may be tested using standard instrumental-variables strategies.
The vertical distribution of tetA and intI1 in a deep lake is rather due to sedimentation than to resuspension
Authors: Di Cesare Andrea , Eckert Ester M , Cottin Camille , Bouchez Agnès , Callieri Cristiana , Cortesini Mario , Lami Andrea , Corno Gianluca 
Published: January 2020

ABSTRACT
Lakes are exposed to anthropogenic pollution including the release of allochthonous bacteria into their waters. Antibiotic resistance genes (ARGs) stabilize in bacterial communities of temperate lakes, and these environments act as long-term reservoirs of ARGs. Still, it is not clear if the stabilization of the ARGs is caused by a periodical introduction, or by other factors regulated by dynamics within the water column. Here we observed the dynamics of the tetracycline resistance gene (tetA) and of the class 1 integron integrase gene intI1 a proxy of anthropogenic pollution in the water column and in the sediments of subalpine Lake Maggiore, together with several chemical, physical and microbiological variables. Both genes resulted more abundant within the bacterial community of the sediment compared to the water column and the water-sediment interface. Only at the inset of thermal stratification they reached quantifiable abundances in all the water layers, too. Moreover, the bacterial communities of the water-sediment interface were more similar to deep waters than to the sediments. These results suggest that the vertical distribution of tetA and intI1 is mainly due to the deposition of bacteria from the surface water to the sediment, while their resuspension from the sediment is less important.
‘Copyright Work and its Definition with Regard to Originality and AI’ – Conference Report on the Fourth Binational Seminar of TU Dresden and Charles University in Prague, 27 June 2019
Authors: Linke David , Petrlík David 
Published: January 2020

Abstract
Bill Gates once wrote ‘I am in the camp that is concerned about super intelligence’ and positioned himself on the question of Artificial Intelligence.1 Mr Gates was, however, concerned about the future of AI in order to be able to supply not only intelligent but also exceptional products. Following the third binational seminar in November 2018 on the topic ‘Software and Artificial Intelligence – Old and New Challenges for Patent Law’,2 colleagues from the IGETeM, TU Dresden and Charles University in Prague met in Dresden on 27 June 2019 to focus on this question from the perspective of copyright. They also dealt with other current issues involving copyright, such as definition of work and the notion of originality.
Indonesia and the ASEAN outlook on the Indo-Pacific
Authors: Anwar Dewi Fortuna 
Published: January 2020

Abstract
Indonesia has taken a leadership role within the Association of Southeast Asian Nations (ASEAN) in drafting a common outlook on the Indo-Pacific concept. The widening of Indonesia's geostrategic canvas from the Asia–Pacific to the Indo-Pacific is in line with President Joko Widodo's intent to make Indonesia a Global Maritime Fulcrum (GMF). In view of the rivalry between the US and China and the emergence of various Indo-Pacific initiatives from other countries, Indonesia believes that ASEAN must try to maintain its centrality. The draft of Indonesia's perspective for an ASEAN outlook on the Indo-Pacific: towards a peaceful, prosperous, and inclusive region was submitted for considerations by ASEAN, and after 18 months of intensive lobbying by Indonesia the concept was finally adopted at the ASEAN Summit in June 2019. The ASEAN outlook promotes the principles of openness, inclusiveness, transparency, respect for international law and ASEAN centrality in the Indo-Pacific region. It proposes a building-block approach, seeking commonalities between existing regional initiatives in which ASEAN-led mechanisms will act as a fulcrum for both norm-setting and concrete cooperation. Rather than creating a new regional architecture, the East Asia Summit (EAS) is proposed as the platform for advancing the Indo-Pacific discourse and cooperation. Indonesia's ASEAN outlook on the Indo-Pacific marks its renewed foreign policy activism as a middle power and underlines the continuing importance that Indonesia places on ASEAN as the cornerstone of its foreign policy, emphasising ASEAN's centrality as the primary vehicle for managing relations with the major powers in the Indo-Pacific region.
Consigned to hedge: south-east Asia and America's ‘free and open Indo-Pacific’ strategy
Authors: Tan See Seng 
Published: January 2020

Abstract
This article assesses how south-east Asian countries and the Association of Southeast Asian Nations (ASEAN) have responded to the ‘free and open Indo-Pacific’ (FOIP) strategies promoted by the United States and the other countries in the Quadrilateral Security Dialogue (the ‘Quad’: US, Japan, Australia and India). Their nuanced ripostes imply a persistent commitment to hedging and shifting limited alignments in the face of growing great rivalry and the lack of a clear FOIP vision among Quad members. In the face of external pressure to take sides, the ASEAN states are likely to keep hedging through working selectively with China and the United States. Given the United States' apparent preference to balance China and Trump's disregard for multilateralism, ASEAN's ability to maintain its centrality in the evolving regional architecture is in doubt—despite the Quad countries' (belated) accommodation of ASEAN in their FOIP strategies. However, the success of the US strategy depends on Washington's ability to build and sustain the requisite coalition to balance Beijing. ASEAN has undertaken efforts to enhance bilateral security collaboration with China and the United States respectively. In doing so, ASEAN is arguably seeking to informally redefine its centrality in an era of Great Power discord and its ramifications for multilateralism.
Japan's ‘Indo-Pacific’ question: countering China or shaping a new regional order?
Authors: Koga Kei 
Published: January 2020

Abstract
Japan's primary objective of the ‘free and open Indo-Pacific’ (FOIP) strategy is to shape and consolidate regional order in the Indo-Pacific region based on the existing rules-based international order. The concept initially aimed to achieve two different objectives—shaping a regional order in the Indo-Pacific and ensuring the defence of Japan; however, Japan has gradually shifted its strategic focus onto the former, separating national defence from the FOIP concept, which reflects a change in the degree of its commitment to the two objectives. On the one hand, as its overall security strategy, Japan has determined to steadily enhance its national defence by increasing its own defence capabilities and strengthening the US–Japan alliance, while transforming its partnerships with like-minded states, such as Australia and India, into a diplomatic, and potentially military, alignment. This has been brought about by shifts in the regional balance of power, particularly the rise of China and the relative decline of the United States. On the other hand, as part of its FOIP strategy, Japan's attempts to build a new regional order in the Indo-Pacific region aim to defend the existing rules-based order established by the United States from challengers, particularly China. Yet, given the strategic uncertainty over Japan's international coalition-building efforts to create a new regional order, Japan has made its approach flexible; Tokyo is using its ambiguous FOIP concept to gauge other states' responses, understand their perspectives, and change its strategic emphases accordingly—so-called ‘tactical hedging’. Japan has pursued similar means to achieve the two key objectives. Nevertheless, the country's core interest, the defence of Japan, is more imperative than building a regional order in the Indo-Pacific region, and Japan faces different types of challenges in the future.
Do perioperative protocols of enhanced recovery after cardiac surgery improve postoperative outcome?
Authors: Kamal Yasser Ali , Hassanein Ahmed 
Published: January 2020

Abstract
A best evidence topic was constructed according to a structured protocol. The question addressed was whether the application of an enhanced recovery protocol or pathway improves patient outcomes after cardiac surgery. A total of 3091 papers were found using the reported search. Finally, 12 papers represented the best available evidence to answer the clinical question. The authors, journal, date and country of publication, patient group studied, study type, relevant outcomes and results of these papers are tabulated. Six studies referred to enhanced recovery protocol as fast track (FT) and another 6 studies referred to it as enhanced recovery after surgery (ERAS). Significant differences from conventional care were reported for time to extubation or intubation time in 4 studies (3 FT, 1 ERAS), duration of intensive care unit stay in 6 studies (4 FT, 2 ERAS), length of hospital stay (LOS) in 8 studies (5 FT, 3 ERAS), cost in 5 studies (4 FT, 1 ERAS), pain scores in 2 studies (2 ERAS) and opioid use in 3 studies (3 ERAS). We conclude that FT or ERAS improve postoperative outcomes including length of stay and pain control, without increasing morbidity, mortality or readmission. However, there is a need for prospective studies and standardized protocols.
Prevalence and Phylogenetic Characterization of Hepatitis C Virus Among Indian Men Who Have Sex With Men: Limited Evidence for Sexual Transmission
Authors: Clipman Steven J , Duggal Priya , Srikrishnan Aylur K , Saravanan Shanmugam , Balakrishnan Pachamuthu , Vasudevan Canjeevaran K , Celentano David D , Thomas David L , Mehta Shruti H , Solomon Sunil S 
Published: January 2020

Abstract

Background
Data from high-income countries suggest increasing hepatitis C virus (HCV) prevalence/incidence among human immunodeficiency virus (HIV)–infected men who have sex with men (MSM), but limited data derive from low-and-middle-income countries.

Methods
We recruited 4994 MSM from 5 states across India using respondent-driven sampling. Logistic regression incorporating respondent-driven sampling weights and machine learning feature selection were used to identify correlates of prevalent HCV, and Bayesian phylogenetic analysis was used to examine genetic clustering.

Results
The median age was 25 years, the HIV prevalence was 7.2%, and 49.3% of participants reported recent unprotected anal intercourse. The HCV prevalence was 1.3% (95% confidence interval, 1.0%–1.6%; site range, 0.2%–3.4%) and was 3.1% in HIV-positive versus 1.1% among HIV-negative men. HCV infection was significantly associated with injection drug use (odds ratio, 177.1; 95% confidence interval, 72.7–431.5) and HIV infection (4.34; 1.88–10.05). Machine learning did not uncover any additional epidemiologic signal. Phylogenetic analysis revealed 3 clusters suggestive of linked transmission; each contained ≥1 individual reporting injection drug use.

Conclusions
We observed a low HCV prevalence in this large sample of MSM despite a high prevalence of known risk factors, reflecting either the need for a threshold of HCV for sexual transmission and/or variability in sexual practices across settings.
Obesity Paradox in the Burn Patient
Authors: Lester Erica L W , Dvorak Justin E , Maluso Patrick J , Bendjemil Samy , Messer Thomas , Poulakidas Stathis , Bokhari Faran 
Published: January 2020

Abstract
Despite the fact that obesity is a known risk factor for comorbidities and complications, there is evidence suggesting a survival advantage for patients classified by body mass index (BMI) as overweight or obese. Investigated in various clinical areas, this “Obesity Paradox” has yet to be explored in the burn patient population. We sought to clarify whether this paradigm exists in burn patients. Data collected on 519 adult patients admitted to an American Burn Association Verified Burn Center between 2009 and 2017 was utilized. Univariable and multivariable logistic regression were used to determine the association between in-hospital mortality and BMI classifications (underweight &lt;18.5 kg/m2, normal 18.5 to 24.9 kg/m2, overweight 25–29.9 kg/m2, obesity class I 30 to 34.9 kg/m2, obesity class II 35 to 39.9 kg/m2, and extreme obesity &gt;40 kg/m2). For every kg/m2 increase in BMI, the odds of death decreased, with an adjusted odds ratio of 0.856 (95% confidence interval [CI] 0.767 to 0.956). When adjusted for total BSA (TBSA), being obesity class I was associated with an adjusted odds ratio of mortality of 0.0166 (95% CI 0.000332 to 0.833). The adjusted odds ratio for mortality for underweight patients was 4.13 (95% CI 0.416 to 41.055). There was no statistically significant difference in odds of mortality between the normal and overweight BMI categories. In conclusion, the obesity paradox exists in burn care: further investigation is needed to elucidate what specific phenotypic aspects confer this benefit and how these can enhance the care of burn patients.
A Review of Breast Pain: Causes, Imaging Recommendations, and Treatment
Authors: Sivarajah Rebecca , Welkie Janelle , Mack Julie , Casas Rachel S , Paulishak Melody , Chetlen Alison L 
Published: January 2020

AbstractOver two-thirds of women will experience breast pain in their lifetime. As one of the leading breast symptoms for which women seek medical attention, breast pain is suspected to be underreported and under-studied. Cyclical breast pain is related to hormonal changes. Noncyclical breast pain is independent of the menstrual cycle and can be idiopathic and related to chronic pain syndromes, infections, ill-fitting bras, musculoskeletal abnormalities, pregnancy, perimenopause, and postsurgical causes. Breast pain can also present in transgender patients and may require additional considerations as to the underlying cause. Imaging of mastalgia depends upon the suspected etiology. Inappropriate imaging for breast pain is associated with significant utilization of health care resources. Cyclical breast pain does not require an imaging work-up. The work-up of focal, noncyclical breast pain includes ultrasound for women aged younger than 40 years, and mammography and ultrasound for women aged 40 years and older. Management of breast pain is often supportive, as most breast pain resolves spontaneously. If pain persists, imaging and management should follow a step-wise approach. If conservative measures fail, second-line therapy is topical nonsteroidal anti-inflammatory drugs. If breast pain is severe and resistant to conservative methods, additional third-line therapies can be added by breast care specialists with specific knowledge of the potential deleterious side effects of these medications. While the causes of mastalgia are overwhelmingly benign, breast pain can significantly impact quality of life, and the breast radiologist should be familiar with causes, management, and treatment recommendations from a multidisciplinary approach.
Reconciling Lambek’s restriction, cut-elimination and substitution in the presence of exponential modalities
Authors: Kanovich Max , Kuznetsov Stepan , Scedrov Andre 
Published: January 2020

Abstract
The Lambek calculus can be considered as a version of non-commutative intuitionistic linear logic. One of the interesting features of the Lambek calculus is the so-called ‘Lambek’s restriction’, i.e. the antecedent of any provable sequent should be non-empty. In this paper, we discuss ways of extending the Lambek calculus with the linear logic exponential modality while keeping Lambek’s restriction. Interestingly enough, we show that for any system equipped with a reasonable exponential modality the following holds: if the system enjoys cut elimination and substitution to the full extent, then the system necessarily violates Lambek’s restriction. Nevertheless, we show that two of the three conditions can be implemented. Namely, we design a system with Lambek’s restriction and cut elimination and another system with Lambek’s restriction and substitution. For both calculi, we prove that they are undecidable, even if we take only one of the two divisions provided by the Lambek calculus. The system with cut elimination and substitution and without Lambek’s restriction is folklore and known to be undecidable.
The Impact of Robotic-Assisted Technology on Attitudes of Host Nation Individuals Participating in Pacific Partnership 2018: Improving Partnerships Through Technology
Authors: Worlton Tamara J , Braden Jacqueline , Gadbois Kyle , Lefringhouse Jason , Lockrow Ernest 
Published: January 2020

Abstract
The USNS Mercy (T-AH 19) on Pacific Partnership 2018 was the first mobile, expeditionary platform to utilize the da Vinci Surgical System. Using a de-identified, web-based survey, the impact of this new technology on Pacific Partnership 2018 on the attitudes of host nation surgeons was examined.
Quantifying Training Load During Physically Demanding Tasks in U.S. Army Soldiers: A Comparison of Physiological and Psychological Measurements
Authors: Canino Maria C , Foulis Stephen A , Cohen Bruce S , Walker Leila A , Taylor Kathryn M , Redmond Jan E , Sharp Marilyn A 
Published: January 2020

AbstractIntroductionThere are many ways to quantify the training loads required to perform soldiering tasks. Although indirect calorimetry may provide the most accurate measures, the equipment can be burdensome and expensive. Simpler measures may provide sufficient data, while being more practical for measuring soldiers in the field. The purpose of this study was to examine the relationship between total relative oxygen uptake (TotalRelVO2) measured by indirect calorimetry during three soldiering tasks, with two field-expedient measures of training load: summated heart rate zone (sumHR) and session rate of perceived exertion (sRPE).Materials and Methods33 male and 28 female soldiers performed three soldiering tasks while wearing a 32.3-kg fighting load: sandbag fill, sandbag carry, and ammunition can carry. Metabolic measurements were monitored and completion times were recorded (min). TotalRelVO2 (average relative VO2*time) and age-predicted maximal heart rate (220-age) were calculated. SumHR was calculated by multiplying time spent in each of the five heart rate zones by a multiplier factor for each zone (50–59% = 1, 60–69% = 2, 70–79% = 3, 80–89% = 4, and ≥90% = 5). RPE (Borg 6–20 scale) was collected at the end of each task, then sRPE was calculated (RPE*time). Pearson and Spearman correlations were performed to examine the relationship between TotalRelVO2, sumHR and sRPE. Wilcoxon signed rank tests were conducted to determine if there was a difference in median rankings between the three variables for each task. Linear regressions were performed to determine predictability of TotalRelVO2 from sumHR and sRPE. The study was approved by the U.S. Army Research Institute of Environmental Medicine Institutional Review Board.ResultsSignificant, positive correlations were revealed for all three tasks between TotalRelVO2, sumHR and sRPE (r ≥ 0.67, p ≤ 0.01; rho≥0.74, p ≤ 0.01). Wilcoxon signed rank tests revealed no significant differences in rankings between TotalRelVO2, sumHR and sRPE for all three tasks (p ≥ 0.43). Both sumHR and sRPE are significant predictors of TotalRelVO2 (p ≤ 0.01).ConclusionsSumHR and sRPE are acceptable alternatives to TotalRelVO2 when attempting to quantify and/or monitor training load during soldiering tasks.
Guideline Adherence and Hearing Outcomes of Sudden Sensorineural Hearing Loss in the Military Health System
Authors: Hughes Charlotte K , Ryan Matthew T , Adams Jason , Esquivel Carlos R 
Published: January 2020

AbstractIntroductionThe American Academy of Otolaryngology-Head and Neck Surgery Foundation clinical practice guideline (CPG) proposes several treatment recommendations regarding sudden sensorineural hearing loss (SSNHL). The treatments for this disorder have been controversial and remain varied. We sought to determine CPG adherence and hearing outcomes of SSNHL within the Military Health System (MHS).Materials and MethodsThis was a retrospective case series with chart review of the MHS’s electronic medical record. Patients with SSNHL (n = 112) were treated between March 1, 2012 and September 30, 2015. Clinical improvement was defined as a 20-dB improvement in pure tone averages or a 20% increase in word recognition scores.ResultsOral steroids were used in 63 (56%) patients, intratympanic (IT) steroids were utilized in 11 (10%) patients, and combination therapy was used in 38 (34%) patients. Average pure tone averages improvements with oral steroids, IT steroids, and combination therapy were 31.2 dB (95% CI, 24.4–38.0), 13.4 dB (95% CI, 0.4–29.6), and 17.3 dB (95% CI, 9.32–25.3), respectively. Average word recognition scores improvements with oral steroids, IT steroids, and combination therapy were 29.64% (95% CI, 19.5–39.7), 14.43% (95% CI, −8.32 to 45.3), and 18.48% (95% CI, 5.48–31.5), respectively. Clinical improvements with oral steroids, IT steroids, and combination therapy were 65, 46, and 50%, respectively.ConclusionThe MHS is uniquely positioned to evaluate adherence to CPGs on a national and international level given the robust and standardized electronic medical record. Areas identified for improvement include more timely initiation of treatment, standardization of IT steroid dosing, more accurate coding for diagnosis and treatment, and standardization of audiology evaluation.
The emergence of the first star-free atomic cooling haloes in the Universe
Authors: Regan John A , Wise John H , O’Shea Brian W , Norman Michael L 
Published: January 2020

ABSTRACT
Using the Renaissance suite of simulations, we examine the emergence of pristine atomic cooling haloes that are both metal free and star free in the early universe. The absence of metals prevents catastrophic cooling, suppresses fragmentation, and may allow for the formation of massive black hole seeds. Here we report on the abundance of pristine atomic cooling haloes found and on the specific physical conditions that allow for the formation of these direct-collapse-black hole (DCBH) haloes. In total, in our simulations we find that 79 DCBH haloes form before a redshift of 11.6. We find that the formation of pristine atomic haloes is driven by the rapid assembly of the atomic cooling haloes with mergers, both minor and/or major, prior to reaching the atomic cooling limit a requirement. However, the ability of assembling haloes to remain free of (external) metal enrichment is equally important and underlines the necessity of following the transport of metals in such simulations. The candidate DCBH-hosting haloes we find have been exposed to mean Lyman–Werner radiation fields of J21 ∼1 and typically lie at least 10 kpc (physical) from the nearest massive galaxy. The growth rates of the haloes reach values of greater than 107$\rm {M_{\odot }}~$ per unit redshift, leading to significant dynamical heating and the suppression of efficient cooling until the halo crosses the atomic cooling threshold. Finally, we also find five synchronized halo candidates where pairs of pristine atomic cooling haloes emerge that are both spatially and temporally synchronized.