bluuebunny/crossref_metadata_2025_split huggingface dataset:
Systematic review of academic bullying in medical settings: dynamics and consequences
Authors: Averbuch Tauben , Eliya Yousif , Van Spall Harriette Gillian Christine 
Published: July 2021

PurposeTo characterise the dynamics and consequences of bullying in academic medical settings, report factors that promote academic bullying and describe potential interventions.DesignSystematic review.Data sourcesWe searched EMBASE and PsycINFO for articles published between 1 January 1999 and 7 February 2021.Study selectionWe included studies conducted in academic medical settings in which victims were consultants or trainees. Studies had to describe bullying behaviours; the perpetrators or victims; barriers or facilitators; impact or interventions. Data were assessed independently by two reviewers.ResultsWe included 68 studies representing 82 349 respondents. Studies described academic bullying as the abuse of authority that impeded the education or career of the victim through punishing behaviours that included overwork, destabilisation and isolation in academic settings. Among 35 779 individuals who responded about bullying patterns in 28 studies, the most commonly described (38.2% respondents) was overwork. Among 24 894 individuals in 33 studies who reported the impact, the most common was psychological distress (39.1% respondents). Consultants were the most common bullies identified (53.6% of 15 868 respondents in 31 studies). Among demographic groups, men were identified as the most common perpetrators (67.2% of 4722 respondents in 5 studies) and women the most common victims (56.2% of 15 246 respondents in 27 studies). Only a minority of victims (28.9% of 9410 victims in 25 studies) reported the bullying, and most (57.5%) did not perceive a positive outcome. Facilitators of bullying included lack of enforcement of institutional policies (reported in 13 studies), hierarchical power structures (7 studies) and normalisation of bullying (10 studies). Studies testing the effectiveness of anti-bullying interventions had a high risk of bias.ConclusionsAcademic bullying commonly involved overwork, had a negative impact on well-being and was not typically reported. Perpetrators were most commonly consultants and men across career stages, and victims were commonly women. Methodologically robust trials of anti-bullying interventions are needed.LimitationsMost studies (40 of 68) had at least a moderate risk of bias. All interventions were tested in uncontrolled before–after studies.
Effectiveness of spatially targeted interventions for control of HIV, tuberculosis, leprosy and malaria: a systematic review
Authors: Khundi McEwen , Carpenter James R , Nliwasa Marriott , Cohen Ted , Corbett Elizabeth L , MacPherson Peter 
Published: July 2021

BackgroundAs infectious diseases approach global elimination targets, spatial targeting is increasingly important to identify community hotspots of transmission and effectively target interventions. We aimed to synthesise relevant evidence to define best practice approaches and identify policy and research gaps.ObjectiveTo systematically appraise evidence for the effectiveness of spatially targeted community public health interventions for HIV, tuberculosis (TB), leprosy and malaria.DesignSystematic review.Data sourcesWe searched Medline, Embase, Global Health, Web of Science and Cochrane Database of Systematic Reviews between 1 January 1993 and 22 March 2021.Study selectionThe studies had to include HIV or TB or leprosy or malaria and spatial hotspot definition, and community interventions.Data extraction and synthesisA data extraction tool was used. For each study, we summarised approaches to identifying hotpots, intervention design and effectiveness of the intervention.ResultsTen studies, including one cluster randomised trial and nine with alternative designs (before–after, comparator area), satisfied our inclusion criteria. Spatially targeted interventions for HIV (one USA study), TB (three USA) and leprosy (two Brazil, one Federated States of Micronesia) each used household location and disease density to define hotspots followed by community-based screening. Malaria studies (one each from India, Indonesia and Kenya) used household location and disease density for hotspot identification followed by complex interventions typically combining community screening, larviciding of stagnant water bodies, indoor residual spraying and mass drug administration. Evidence of effect was mixed.ConclusionsStudies investigating spatially targeted interventions were few in number, and mostly underpowered or otherwise limited methodologically, affecting interpretation of intervention impact. Applying advanced epidemiological methodologies supporting more robust hotspot identification and larger or more intensive interventions would strengthen the evidence-base for this increasingly important approach.PROSPERO registration numberCRD42019130133.
Surgical procedures for children in the public healthcare sector: a nationwide, facility-based study in Uganda
Authors: Ajiko Mary Margaret , Kressner Julia , Matovu Alphonsus , Nordin P , Wladis Andreas , Löfgren Jenny 
Published: July 2021

ObjectiveThis study investigated the surgical services for children at the highest levels of the public healthcare sector in Uganda. The aim was to determine volumes and types of procedure performed and the patients and the human resource involved.DesignThe study was a facility-based, record review.SettingThe study was carried out at the National Referral Hospital, all 14 regional referral hospitals and 14 general hospitals in Uganda, representing the highest levels of hospital in the public healthcare sector.ParticipantsThe subjects were children <18 years who underwent major surgery in the study hospitals during 2013 and 2014.ResultsThe study hospitals contribute with an average annual rate of paediatric surgery at 22.0 per 100 000 paediatric population. This is a fraction of the estimated need. Most of the procedures were performed for congenital anomalies (n=3111, 39.4%), inflammation and infection (n=2264, 28.7%) and trauma (n=1210, 15.3%). Specialist surgeons performed 60.3% (n=4758) of the procedures, and anaesthesia was administered by specialist physician anaesthetists in 11.6% (n=917) of the cases.ConclusionsA variety of paediatric surgical procedures are performed in a relatively decentralised system throughout Uganda. Task shifting and task sharing of surgery and anaesthesia are widespread: a large proportion of surgical procedures was carried out by non-specialist physicians, with anaesthesia mostly delivered by non-physician anaesthetists. Reinforcing the capacity and promoting the expansion of the health facilities studied, in particular the general hospitals and regional referral hospitals, could help reduce the immense unmet need for surgical services for children in Uganda.
Keratoconus detection of changes using deep learning of colour-coded maps
Authors: Chen Xu , Zhao Jiaxin , Iselin Katja C , Borroni Davide , Romano Davide , Gokul Akilesh , McGhee Charles N J , Zhao Yitian , Sedaghat Mohammad-Reza , Momeni-Moghaddam Hamed , Ziaei Mohammed , Kaye Stephen , Romano Vito , Zheng Yalin 
Published: July 2021

ObjectiveTo evaluate the accuracy of convolutional neural networks technique (CNN) in detecting keratoconus using colour-coded corneal maps obtained by a Scheimpflug camera.DesignMulticentre retrospective study.Methods and analysisWe included the images of keratoconic and healthy volunteers’ eyes provided by three centres: Royal Liverpool University Hospital (Liverpool, UK), Sedaghat Eye Clinic (Mashhad, Iran) and The New Zealand National Eye Center (New Zealand). Corneal tomography scans were used to train and test CNN models, which included healthy controls. Keratoconic scans were classified according to the Amsler-Krumeich classification. Keratoconic scans from Iran were used as an independent testing set. Four maps were considered for each scan: axial map, anterior and posterior elevation map, and pachymetry map.ResultsA CNN model detected keratoconus versus health eyes with an accuracy of 0.9785 on the testing set, considering all four maps concatenated. Considering each map independently, the accuracy was 0.9283 for axial map, 0.9642 for thickness map, 0.9642 for the front elevation map and 0.9749 for the back elevation map. The accuracy of models in recognising between healthy controls and stage 1 was 0.90, between stages 1 and 2 was 0.9032, and between stages 2 and 3 was 0.8537 using the concatenated map.ConclusionCNN provides excellent detection performance for keratoconus and accurately grades different severities of disease using the colour-coded maps obtained by the Scheimpflug camera. CNN has the potential to be further developed, validated and adopted for screening and management of keratoconus.
How to tie dangerous surgical knots: easily. Can we avoid this?
Authors: Drabble Eric , Spanopoulou Sofia , Sioka Eleni , Politaki Ellie , Paraskeva Ismini , Palla Effrosyni , Stockley Lauren , Zacharoulis Dimitris 
Published: July 2021

ObjectiveSecure knots are essential in all areas of surgical, medical and veterinary practice. Our hypothesis was that technique of formation of each layer of a surgical knot was important to its security.DesignEqual numbers of knots were tied, by each of three groups, using three techniques, for each of four suture materials; a standard flat reef knot (FRK), knots tied under tension (TK) and knots laid without appropriate hand crossing (NHCK). Each knot technique was performed reproducibly, and tested by distraction with increasing force, till each material broke or the knot separated completely.SettingTemporary knot tying laboratory.MaterialsThe suture materials were, 2/0 polyglactin 910 (Vicryl), 3/0 polydioxanone, 4/0 poliglecaprone 25 (Monocryl) and 1 nylon (Ethilon).ParticipantsThree groups comprised, a senior surgeon, a resident surgeon and three medical students.Outcome measuresProportion of each knot type that slipped, degree of slippage and length of suture held in loop secured by each knot type.Results20% of FRK tied with all suture materials slipped; all knots tied with the other two techniques, with all materials, slipped, TK (100%) and NHCK (100%). The quantitative degree of slip was significantly less for FRK (mean 6.3%–, 95% CI 2.2% to 10.4%) than for TK (mean 312%, 95% CI 280.0% to 344.0%) and NHCK (mean 113.0%, –95% CI 94.3% to 131.0%).The mean length of suture in loops held within (FRK mean 25.1 mm 95% CI 24.2 to 26.0 mm) was significantly greater than mean lengths held by the other techniques (TK mean 17.0 mm, 95% CI 16.3 to 17.7 mm), (NHCK mean 16.3 mm, 95% CI 15.9 to 16.7 mm). The latter two types of knot may have tightened more than anticipated, in comparison to FRK, with potential undue tissue tension.ConclusionMeticulous technique of knot tying is essential for secure knots, appropriate tissue tension and the security of anastomoses and haemostasis effected.
Central East and NE Greenland Composite Tectono-Sedimentary Element, East Greenland Rifted Margin, Greenland Sea
Authors: Fyhn Michael B. W. , Alsen Peter , Bjerager Morten B. , Bojesen-Koefoed Jørgen A. , Christiansen Flemming G. , Guarnieri Pierpaolo G. , Hovikoski Jussi H. , Ineson Jon , Japsen Peter , Knutz Paul , Nielsen Lars Henrik , Nøhr-Hansen Henrik , Piasecki Stefan , Therkelsen Jens , Vosgerau Henrik 
Published: July 2021

Abstract
The Devonian–lower Eocene Central East and NE Greenland Composite Tectono-Sedimentary Element (CTSE) is a part of the NE Atlantic rift system. The East and NE Greenland geology is therefore analogous to that of the prolific basins on the conjugate Atlantic margin and in the North Sea in many respects. Nonetheless, hydrocarbon discoveries remain. The presence of world-class source rocks, reservoirs and seals, together with large structures, may suggest an East and NE Greenland petroleum potential, however. The CTSE was established through Devonian–Carboniferous, Permian–Triassic and Jurassic–Cretaceous rifting interspersed by periods of uplift and post-rift sagging. Subsequently, Paleocene–Eocene magma-rich rifting accompanied the NE Atlantic break-up. Depositional environments through time varied in response to the changing tectonism and climate. Non-marine deposition dominated until the end of the Triassic, only interrupted by marine sedimentation during Late Permian–Early Triassic times. Subsequently, marine conditions prevailed during the Jurassic and Cretaceous. A volumetric series of basalt erupted over most of the CTSE during the latest Paleocene–early Eocene following a significant latest Cretaceous–Paleocene regression, uplift and erosion event. Since the Eocene, denudation pulses have removed much of these basalts and uniquely exposed the up to 17 km-thick strata of the CTSE.
A Unified Model for Context-Sensitive Program Analyses:
Authors: Jaiswal Swati , Khedker Uday P. , Mycroft Alan 
Published: July 2021

Context-sensitive methods of program analysis increase the precision of interprocedural analysis by achieving the effect of call inlining. These methods have been defined using different formalisms and hence appear as algorithms that are very different from each other. Some methods traverse a call graph top-down, whereas some others traverse it bottom-up first and then top-down. Some define contexts explicitly, whereas some do not. Some of them directly compute data flow values, while some first compute summary functions and then use them to compute data flow values. Further, different methods place different kinds of restrictions on the data flow frameworks supported by them. As a consequence, it is difficult to compare the ideas behind these methods in spite of the fact that they solve essentially the same problem. We argue that these incomparable views are similar to those of blind men describing an elephant, called context sensitivity, and make it difficult for a non-expert reader to form a coherent picture of context-sensitive data flow analysis.
We bring out this whole-elephant view of context sensitivity in program analysis by proposing a unified model of context sensitivity that provides a clean separation between computation of contexts and computation of data flow values. Our model captures the essence of context sensitivity and defines simple soundness and precision criteria for context-sensitive methods. It facilitates declarative specifications of context-sensitive methods, insightful comparisons between them, and reasoning about their soundness and precision. We demonstrate this by instantiating our model to many known context-sensitive methods.
Alternating Minimization Methods for Solving Multilinear Systems
Authors: Liang Maolin , Dai Lifang 
Published: July 2021

Recent works on the multilinear systemAxm−1=bwith an order-mand dimension-ntensorAand a vectorbof dimension-nhave been motivated by their applications in data mining, numerical PDEs, tensor complementary problems, and so on. In this paper, we propose an alternating minimization method for the solution of the system mentioned above and present several randomized versions of this algorithm in order to improve its performance. The provided numerical experiments show that our methods are feasible for any tensorAand outperform some existing ones in the same case.
Efficient Computation of Expectations under Spanning Tree Distributions
Authors: Zmigrod Ran , Vieira Tim , Cotterell Ryan 
Published: July 2021

Abstract
We give a general framework for inference in spanning tree models. We propose unified algorithms for the important cases of first-order expectations and second-order expectations in edge-factored, non-projective spanning-tree models. Our algorithms exploit a fundamental connection between gradients and expectations, which allows us to derive efficient algorithms. These algorithms are easy to implement with or without automatic differentiation software. We motivate the development of our framework with several cautionary tales of previous research, which has developed numerous inefficient algorithms for computing expectations and their gradients. We demonstrate how our framework efficiently computes several quantities with known algorithms, including the expected attachment score, entropy, and generalized expectation criteria. As a bonus, we give algorithms for quantities that are missing in the literature, including the KL divergence. In all cases, our approach matches the efficiency of existing algorithms and, in several cases, reduces the runtime complexity by a factor of the sentence length. We validate the implementation of our framework through runtime experiments. We find our algorithms are up to 15 and 9 times faster than previous algorithms for computing the Shannon entropy and the gradient of the generalized expectation objective, respectively.
From Wng to Καιέχως – a Possible Explanation for the Cartouche Name KꜢ-kꜢ.w?
Authors: Theis Christoffer 
Published: July 2021

Abstract
So far, it has not been possible to equate the name KꜢ-kꜢ.w of the second king Horus Rꜥ-nb(=i) of the Second Dynasty, written in a cartouche during the Ramesside Period, with a name attested at the time of this dynasty. Taking into account the theory advanced by Jochem Kahl that Horus Rꜥ-nb(=i) is the same ruler as Wng, it is possible to develop a sequence in Hieratic script which leads from Wng to KꜢ-kꜢ.w and is based on a misreading of an Egyptian scribe.
Towards an Integrated Theology of Youth
Authors: Stanton Graham D. 
Published: July 2021

Abstract
This article summarises eight theological perspectives on youth and young people. Young people are variously seen as (1) sinful creatures in need of redemption; (2) gifts of God and sources of joy; (3) developing beings in need of guidance and instruction; (4) open to conversion; (5) vulnerable to exploitation; (6) fully human, made in God’s image; (7) a prophetic presence; and (8) a prophetic voice. Rather than simply affirm all 8 perspectives as important, an integrated theological perspective on youth views young people within the distinctive features of their created reality, with particular strengths and assets along with distinct needs and deficits, to be fully capable as bearers of the divine image, and with emerging capability as social agents.
Introduction: Taiwan as Epistemic Challenger
Authors: Chen Chih-Jou Jay , Hsiao Hsin-Huang Michael 
Published: July 2021

Abstract
Four articles are included in this topical section on ‘Taiwan as Epistemic Challenger’. Two of the four contributions were originally presented at the 3rd World Congress of Taiwan Studies held on 6–8 September 2018 at Academia Sinica in Taipei. The main theme of this Congress was ‘Taiwan in the Globalized World: The Relevance of Taiwan Studies to the Social Sciences and Humanities’. The other two contributions were accepted through a call for papers. The topical section aims to demonstrate that Taiwanese scholars and foreign researchers of Taiwanese society can transcend the competitive disadvantage of studying a single country and make Taiwan visible in international scholarship. The findings of relevant Taiwan studies research can instead modify the epistemic assumptions and methodology in different disciplines of the social sciences and humanities.
Improving Numerical Weather Prediction–Based Near-Cloud Aviation Turbulence Forecasts by Diagnosing Convective Gravity Wave Breaking
Authors: Kim Soo-Hyun , Chun Hye-Yeong , Lee Dan-Bi , Kim Jung-Hoon , Sharman Robert D. 
Published: July 2021

AbstractBased on a convective gravity wave drag parameterization scheme in a numerical weather prediction (NWP) model, previously proposed near-cloud turbulence (NCT) diagnostics for better detecting turbulence near convection are tested and evaluated by using global in situ flight data and outputs from the operational global NWP model of the Korea Meteorological Administration for one year (from December 2016 to November 2017). For comparison, 11 widely used clear air turbulence (CAT) diagnostics currently used in operational NWP-based aviation turbulence forecasting systems are separately computed. For selected cases, NCT diagnostics predict more accurately localized turbulence events over convective regions with better intensity, which is clearly distinguished from the turbulence areas diagnosed by conventional CAT diagnostics that they mostly failed to forecast with broad areas and low magnitudes. Although overall performance of NCT diagnostics for one whole year is lower than conventional CAT diagnostics due to the fact that NCT diagnostics exclusively focus on the isolated NCT events, adding the NCT diagnostics to CAT diagnostics improves the performance of aviation turbulence forecasting. Especially in the summertime, performance in terms of an area under the curve (AUC) based on probability of detection statistics is the best (AUC = 0.837 with a 4% increase, compared to conventional CAT forecasts) when the mean of all CAT and NCT diagnostics is used, while performance in terms of root-mean-square error is the best when the maximum among combined CAT and single NCT diagnostic is used. This implies that including NCT diagnostics to currently used NWP-based aviation turbulence forecasting systems should be beneficial for safety of air travel.
Physical Activity Among Parents of Children With Disabilities: A Systematic Review
Authors: Ku Byungmo , Sung Ming-Chih 
Published: July 2021

The purpose of the present systematic review was to synthesize the existing research on physical activity behaviors in parents of children with disabilities. For the systematic search, search terms were entered into three electronic databases. After systematic evaluations, 12 studies were included in the present systematic review. Using the physical activity guidelines (i.e., 150 minutes of moderate physical activity per week or 75 minutes of vigorous physical activity per week), the 12 studies were divided into three categories: active, not active, and unknown. The active category included two studies (16.7%) indicating that parents of children with disabilities meet the physical activity guidelines. The not active category included seven studies (50%) indicating that parents of children with disabilities do not meet the physical activity guidelines. More research is needed to determine physical activity behaviors in parents of children with disabilities.