bluuebunny/crossref_metadata_2025_split huggingface dataset:
Epidemiology of Surgical Site Infection in a Community Hospital Network
Authors: Baker Arthur W. , Dicks Kristen V. , Durkin Michael J. , Weber David J. , Lewis Sarah S. , Moehring Rebekah W. , Chen Luke F. , Sexton Daniel J. , Anderson Deverick J. 
Published: February 2016

OBJECTIVETo describe the epidemiology of complex surgical site infection (SSI) following commonly performed surgical procedures in community hospitals and to characterize trends of SSI prevalence rates over time for MRSA and other common pathogensMETHODSWe prospectively collected SSI data at 29 community hospitals in the southeastern United States from 2008 through 2012. We determined the overall prevalence rates of SSI for commonly performed procedures during this 5-year study period. For each year of the study, we then calculated prevalence rates of SSI stratified by causative organism. We created log-binomial regression models to analyze trends of SSI prevalence over time for all pathogens combined and specifically for MRSA.RESULTSA total of 3,988 complex SSIs occurred following 532,694 procedures (prevalence rate, 0.7 infections per 100 procedures). SSIs occurred most frequently after small bowel surgery, peripheral vascular bypass surgery, and colon surgery. Staphylococcus aureus was the most common pathogen. The prevalence rate of SSI decreased from 0.76 infections per 100 procedures in 2008 to 0.69 infections per 100 procedures in 2012 (prevalence rate ratio [PRR], 0.90; 95% confidence interval [CI], 0.82–1.00). A more substantial decrease in MRSA SSI (PRR, 0.69; 95% CI, 0.54–0.89) was largely responsible for this overall trend.CONCLUSIONSThe prevalence of MRSA SSI decreased from 2008 to 2012 in our network of community hospitals. This decrease in MRSA SSI prevalence led to an overall decrease in SSI prevalence over the study period.Infect Control Hosp Epidemiol 2016;37:519–526
Effect of a Clostridium difficile Infection Prevention Initiative in Veterans Affairs Acute Care Facilities
Authors: Evans Martin E. , Kralovic Stephen M. , Simbartl Loretta A. , Jain Rajiv , Roselle Gary A. 
Published: February 2016

Rates of clinically confirmed hospital-onset healthcare facility-associated Clostridium difficile infections from July 1, 2012, through March 31, 2015, in 127 acute care Veterans Affairs facilities were evaluated. Quarterly pooled national standardized infection ratios decreased 15% from baseline by the final quarter of the analysis period (P=.01, linear regression).Infect Control Hosp Epidemiol 2016;37:720–722
Thermal convection in inclined cylindrical containers
Authors: Shishkina Olga , Horn Susanne 
Published: February 2016

By means of direct numerical simulations (DNS) we investigate the effect of a tilt angle ${\it\beta}$, $0\leqslant {\it\beta}\leqslant {\rm\pi}/2$, of a Rayleigh–Bénard convection (RBC) cell of aspect ratio 1, on the Nusselt number $\mathit{Nu}$ and Reynolds number $\mathit{Re}$. The considered Rayleigh numbers $\mathit{Ra}$ range from $10^{6}$ to $10^{8}$, the Prandtl numbers range from 0.1 to 100 and the total number of the studied cases is 108. We show that the $\mathit{Nu}\,({\it\beta})/\mathit{Nu}(0)$ dependence is not universal and is strongly influenced by a combination of $\mathit{Ra}$ and $\mathit{Pr}$. Thus, with a small inclination ${\it\beta}$ of the RBC cell, the Nusselt number can decrease or increase, compared to that in the RBC case, for large and small $\mathit{Pr}$, respectively. A slight cell tilt may not only stabilize the plane of the large-scale circulation (LSC) but can also enforce an LSC for cases when the preferred state in the perfect RBC case is not an LSC but a more complicated multiple-roll state. Close to ${\it\beta}={\rm\pi}/2$, $\mathit{Nu}$ and $\mathit{Re}$ decrease with increasing ${\it\beta}$ in all considered cases. Generally, the $\mathit{Nu}({\it\beta})/\mathit{Nu}(0)$ dependence is a complicated, non-monotonic function of ${\it\beta}$.
What about ‘MEE’: A Measure of Employee Entitlement and the impact on reciprocity in the workplace
Authors: Westerlaken Kristie M , Jordan Peter J , Ramsay Sheryl 
Published: February 2016

AbstractA basic underlying assumption of the psychological contract is that both parties come to a mutual agreement about the expectations and obligations of a contract of employment. Recent research provides evidence of the potential for employees to develop unrealistic expectations from this contract and this has been described as a sense of entitlement. In this article, we outline two studies. In the first study, we test the internal structure and reliability of a scale we developed and named the Measure of Employee Entitlement. In the second study, we test the predictive validity of the Measure of Employee Entitlement against a measure of reciprocity. The development and validation of the Measure of Employee Entitlement extends our knowledge of sense of entitlement in the workplace and situates entitlement as a factor that may impact on the development of psychological contracts. This research provides a platform from which researchers and practitioners can continue to coherently and consistently investigate the phenomenon of employee entitlement.
Trust and manipulation in social networks
Authors: FÖRSTER MANUEL , MAULEON ANA , VANNETELBOSCH VINCENT J. 
Published: February 2016

AbstractWe investigate the role of manipulation in boundedly rational opinion dynamics. Agents are subject to persuasion bias and repeatedly communicate with their neighbors in a social network. They can exert effort to manipulate trust in the opinions of others in their favor and update their opinions about some issue of common interest by taking weighted averages of neighbors' opinions. We show that manipulation can connect a segregated society and thus lead to mutual consensus. Second, we show that manipulation fosters opinion leadership; and surprisingly agents with low trust in their own opinion might get more influential even by being manipulated. Finally, comparative simulations reveal that manipulation is beneficial to information aggregation when preferences and abilities for manipulation are homogeneous, but detrimental in case abilities are concentrated at few powerful agents.
The dipnoan buccal pump reconstructed in 3D and implications for air breathing in Devonian lungfishes
Authors: Clement A. M. , Long J. A. , Tafforeau P. , Ahlberg P. E. 
Published: February 2016

AbstractLungfishes are known for, and indeed take their name from, their bimodal respiratory abilities. All three extant genera can use their lungs to extract oxygen from the atmosphere, although their reliance upon this capability differs among taxa. Lungs are considered primitive for the Osteichthyes, however the distinctive buccal pump mode of air gulping exhibited by extant lungfishes appears to be a specialization. It is associated with a number of derived skeletal characters (cranial ribs, long parasphenoid stalk, midline gap between palatal tooth plates) that first appeared during the Devonian. These have been described individually, but in no Devonian lungfish has their three-dimensional (3D) spatial relationship been reconstructed and analyzed. Here we present the 3D morphology ofRhinodipterus, a Mid-Late Devonian lungfish from Australia and Europe, based on synchrotron tomography and conventional microtomography scans.Unlike less crownward contemporaneous lungfishes such asGriphognathusandChirodipterus,Rhinodipterushas a full set of skeletal buccal pump components that can be directly compared to those of extant lungfishes, suggesting that it made more extensive use of air breathing than other Gogo or Bergisch Gladbach genera. This is interesting in relation to the environmental context as Gogo and Bergisch Gladbach are both marine, contrasting with the frequently hypoxic tropical to subtropical fresh water environments inhabited by modern lungfishes. The evolution of buccal pump-supported lung ventilation was evidently not necessarily associated with a transition to non-marine habitats.
Children’s school-breakfast reports and school-lunch reports (in 24-h dietary recalls): conventional and reporting-error-sensitive measures show inconsistent accuracy results for retention interval and breakfast location
Authors: Baxter Suzanne D. , Guinn Caroline H. , Smith Albert F. , Hitchcock David B. , Royer Julie A. , Puryear Megan P. , Collins Kathleen L. , Smith Alyssa L. 
Published: February 2016

AbstractValidation-study data were analysed to investigate retention interval (RI) and prompt effects on the accuracy of fourth-grade children’s reports of school-breakfast and school-lunch (in 24-h recalls), and the accuracy of school-breakfast reports by breakfast location (classroom; cafeteria). Randomly selected fourth-grade children at ten schools in four districts were observed eating school-provided breakfast and lunch, and were interviewed under one of eight conditions created by crossing two RIs (‘short’ – prior-24-hour recall obtained in the afternoon and ‘long’ – previous-day recall obtained in the morning) with four prompts (‘forward’ – distant to recent, ‘meal name’ – breakfast, etc., ‘open’ – no instructions, and ‘reverse’ – recent to distant). Each condition had sixty children (half were girls). Of 480 children, 355 and 409 reported meals satisfying criteria for reports of school-breakfast and school-lunch, respectively. For breakfast and lunch separately, a conventional measure – report rate – and reporting-error-sensitive measures – correspondence rate and inflation ratio – were calculated for energy per meal-reporting child. Correspondence rate and inflation ratio – but not report rate – showed better accuracy for school-breakfast and school-lunch reports with the short RI than with the long RI; this pattern was not found for some prompts for each sex. Correspondence rate and inflation ratio showed better school-breakfast report accuracy for the classroom than for cafeteria location for each prompt, but report rate showed the opposite. For each RI, correspondence rate and inflation ratio showed better accuracy for lunch than for breakfast, but report rate showed the opposite. When choosing RI and prompts for recalls, researchers and practitioners should select a short RI to maximise accuracy. Recommendations for prompt selections are less clear. As report rates distort validation-study accuracy conclusions, reporting-error-sensitive measures are recommended.
Rapid extensional unroofing of a granite–migmatite dome with relics of high-pressure rocks, the Podolsko complex, Bohemian Massif
Authors: ŽÁK JIŘÍ , SLÁMA JIŘÍ , BURJAK MIROSLAV 
Published: February 2016

AbstractThe Podolsko complex, Bohemian Massif, is a high-grade dome that is exposed along the suprastructure–infrastructure boundary of the Variscan orogen and records snapshots of its protracted evolution. The dome is cored by leucocratic migmatites and anatectic granites that enclose relics of high- to ultrahigh-pressure rocks and is mantled by biotite migmatites and paragneisses whose degree of anatexis decreases outwards. Our new U–Pb zircon ages indicate that the leucocratic migmatites were derived from Early Ordovician (c.480 Ma) felsic igneous crust; the same age is inferred for melting the proto-source of the metapelitic migmatites. The relics of high- to ultrahigh-pressure rocks suggest that at least some portions of the complex witnessed an early Variscan subduction to mantle depths, followed by high-temperature anatexis and syntectonic growth of the Podolsko dome in the middle crust atc.340–339 Ma. Subsequently, the dome exhumation was accommodated by crustal-scale extensional detachments. Similarc.340 Ma ages have also been reported from other segments of the Variscan belt, yet the significance of this tectonothermal event remains uncertain. Here we conclude that the 340 Ma age post-dates the high-pressure metamorphism; the high temperatures required to cause the observed isotopic resetting and new growth of zircon were probably caused by heat input from the underlying mantle and, finally, the extensional unroofing of the complex requires a minimum throw of about 8–10 km. We use this as an argument for significant early Carboniferous palaeotopography in the interior of the Variscan orogen.
Simulation of crop production in weed-infested fields for data-scarce regions
Authors: VAN GAELEN H. , DELBECQUE N. , ABRHA B. , TSEGAY A. , RAES D. 
Published: February 2016

SUMMARYWeed infestation is a major yield-reducing factor that also decreases crop water productivity. Yet weeds are often neglected in crop productivity simulation studies, because existing empirical equations and mechanistic models are not widely applicable or have a high demand for input data and calibration. For that reason, AquaCrop, a widely applicable crop water productivity model, was expanded with a weed management module which requires only two easily obtainable input variables: (i) relative leaf cover of weeds, and (ii) weed-induced increase of total canopy cover. Using these inputs, AquaCrop directly simulates soil water content, crop canopy development and production as it is observed in weed-infested fields. Despite this simple approach, AquaCrop performed well to simulate soil water content in the root zone (relative root-mean-square error (RRMSE) of 5–13%), canopy cover (RRMSE of 15–22%), dry above-ground crop biomass during the season (RRMSE of 21–39%) and at maturity (RRMSE of 5–6%) and yield (RRMSE of 11–25%) of barley and wheat grown under different weed infestation levels and environments. The current study illustrates that the AquaCrop model can be used to assess the effect of weed infestation on crop growth and production, using a simple approach that is applicable to diverse environmental and agronomic conditions, even in data-scarce regions.
Changes in soil organic carbon stocks under 10-year conservation tillage on a Black soil in Northeast China
Authors: LIANG A. Z. , YANG X. M. , ZHANG X. P. , CHEN X. W. , MCLAUGHLIN N. B. , WEI S. C. , ZHANG Y. , JIA S. X. , ZHANG S. X. 
Published: February 2016

SUMMARYBiased assessment of tillage impacts on soil organic carbon (SOC) sequestration are often associated with a lack of information on the initial level of SOC stocks. The present study reported the changes in SOC concentrations and stocks following 10-year different tillage practices relative to the initial SOC levels. The tillage trial included no tillage (NT), ridge tillage (RT) and mouldboard plough (MP) on a Black soil (Hapludolls) in Northeast China. Results showed that tillage, soil depth and time significantly affected SOC concentration and SOC stock. Tillage and crop residue retention had great impacts on the SOC concentrations in the top 0·1 m layer. Compared with MP and NT, RT resulted in higher SOC concentration and SOC stock in the plough layer (0–0·2 m), which became more obvious with time. The soil under NT and RT had higher stratification ratios (SR) of SOC (SR, the ratio of SOC concentration in 0–0·05 m to that in 0·1–0·2 m) than under MP. Significant positive and nearly identical linear relationships between the SR of SOC and the duration of tillage practices occurred for both NT and RT soils; the increased SR in NT resulted from both SOC increase in surface and SOC decrease in subsurface soils, but in RT, the increased SR was only from a substantial SOC increase in surface soil. Accordingly, the present study highlights that RT was more helpful than NT in carbon sequestration for the studied Black soil in Northeast China.
“Lying about a Lie”: Racial Passing in US History, Literature and Popular Culture
Authors: MOYNIHAN SINÉAD 
Published: February 2016

In June 2015, the parents of Rachel Dolezal, president of the Spokane, Washington chapter of the NAACP, claimed that their daughter was passing as black. While she professed to be of mixed (white, African American) racial heritage, her parents asserted that she was of white European descent, with some remote Native American ancestry. The revelations precipitated Dolezal's resignation from her role at the NAACP and a flurry of articles about the story that were disseminated around the world on Twitter under the “Rachel Dolezal” hashtag. Much of the media coverage attempted to account for the fact that this story should elicit such impassioned reactions given that race has long been acknowledged as a performance. As Jelani Cobb wrote in the New Yorker, Dolezal had dressed herself in “a fictive garb of race whose determinations are as arbitrary as they are damaging.” This does not mean that Dolezal “wasn't lying about who she is.” It means that “she was lying about a lie.” Meanwhile, in the New York Times, Daniel J. Sharfstein pointed out that the kind of passing we saw in Dolezal's case – passing from white to black; so-called “reverse passing” – was not as historically uncommon as other writers had claimed. What is unusual is that Dolezal should feel the need to pass as black when there were no legal (and comparatively few social) obstacles to her forming “meaningful relationships with African-Americans, study[ing], teach[ing] and celebrat[ing] black history and culture and fight[ing] discrimination.” For Sharfstein, the explanation lies in the fact that “when blackness means something very specific – asserting that black lives matter – it follows for many people that categorical clarity has to matter, too.” The pervasive media and public interest in the Dolezal story confirms the ongoing fascination with racial passing within and beyond the United States, a popular interest that has its counterpart in the proliferation of academic studies of the subject that have been published in the past twenty years. The scholarly attention paid to racial passing inaugurated, arguably, by Elaine K. Ginsberg in her edited volume Passing and the Fictions of Identity (1996) continues unabated in two recent works on the subject. Julie Cary Nerad's edited volume Passing Interest is concerned with cultural representations of passing, while Allyson Hobbs's A Chosen Exile grapples with its history.
SIBLING CONFLICTS IN FULL- AND HALF-SIBLING HOUSEHOLDS IN THE UK
Authors: Tanskanen Antti O. , Danielsbacka Mirkka , Jokela Markus , Rotkirch Anna 
Published: February 2016

SummarySibling relations are by nature ambivalent with high levels of both altruistic helping and competition. Higher relatedness is often assumed to reduce the occurrence of conflicts between siblings, but evidence of this has been scarce and mixed. Siblings typically compete over resources and parental attention, and parental constellations vary with sibship types. Since full-siblings compete over the same two biological parents, while half-siblings have only one shared biological parent and often a higher number of parents overall, it is hypothesized that conflicts are more common between full- than half-siblings. This study tested this assumption using the British Millennium Cohort Study (n=7527 children at age 11). Conflicts were measured as children’s reports of how much siblings picked on and hurt each other. Households with full-siblings only, maternal half-siblings only, and both full- and maternal half-siblings were compared. The results show that children who were living with only their full-siblings were more likely to experience sibling conflicts compared with children living with their maternal half-siblings only. This was the case also after controlling for several potentially confounding variables. The results suggest that differential access to parental resources of available biological and step-parents may explain the higher amount of sibling conflict between full- compared with maternal half-siblings.
A new forecasting kinematic algorithm of automatic navigation for a laparoscopic minimally invasive surgical robotic system
Authors: Yu Lingtao , Wang Zhengyu , Sun Liqiang , Wang Wenjie , Wang Lan , Du Zhijiang 
Published: February 2016

SUMMARYThis paper presents a novel forecasting kinematic algorithm for autonomously navigating the 3D visual window of laparoscopic minimally invasive surgical robotic system (LMISRS). By the application of the proposed technique, a constant distribution area ratio of the micro devices can be guaranteed in the visual window; real-time concurrency motion of the visual window of the laparoscope and the mark points of the instruments is realized, i.e. the visual window can keep tracking the movement of the marks automatically, so that the user does not have to switch between the master-slave controlling targets. The implementation of the new technique is summarized as follows: the robotic kinematics and space analytic geometry are thoroughly analyzed and modeled, and a “following kinematic algorithm” is proposed for the visual window of the laparoscope, which tracks the mark points of the instrument arms; a “forecasting kinematic algorithm” is established by using a combination of the “following kinematic algorithm”, the basic visual parameters of 3D visual field, the Verhulst Grey Model and the filtered amendment method. The proposed technique is verified by a series of simulations by using two groups of marks' motion trails with different sampling times, indicating that the technique is accurate, feasible and robust.
An approach for real-time motion planning of an inchworm robot in complex steel bridge environments
Authors: Pagano David , Liu Dikai 
Published: February 2016

SUMMARYPath planning can be difficult and time consuming for inchworm robots especially when operating in complex 3D environments such as steel bridges. Confined areas may prevent a robot from extensively searching the environment by limiting its mobility. An approach for real-time path planning is presented. This approach first uses the concept of line-of-sight (LoS) to find waypoints from the start pose to the end node. It then plans smooth, collision-free motion for a robot to move between waypoints using a 3D-F2algorithm. Extensive simulations and experiments are conducted in 2D and 3D scenarios to verify the approach.
REASON-BASED CHOICE AND CONTEXT-DEPENDENCE: AN EXPLANATORY FRAMEWORK
Authors: Dietrich Franz , List Christian 
Published: February 2016

Abstract:We introduce a ‘reason-based’ framework for explaining and predicting individual choices. The key idea is that a decision-maker focuses on some but not all properties of the options and chooses an option whose ‘motivationally salient’ properties he/she most prefers. Reason-based explanations can capture two kinds of context-dependent choice: (i) the motivationally salient properties may vary across choice contexts, and (ii) they may include ‘context-related’ properties, not just ‘intrinsic’ properties of the options. Our framework allows us to explain boundedly rational and sophisticated choice behaviour. Since properties can be recombined in new ways, it also offers resources for predicting choices in unobserved contexts.
The Ethics of Allocating Uterine Transplants
Authors: BAYEFSKY MICHELLE J. , BERKMAN BENJAMIN E. 
Published: February 2016

Abstract:In September 2014, a healthy male child was born in Sweden following a successful uterine transplantation (UTx). The event brought hope to many women without functional uteruses around the world. Having a child with a transplanted uterus is now possible, and as knowledge of the procedure proliferates and interest in UTx grows, it is important to begin thinking about how a scarce supply of uteruses will be allocated. This article represents a first discussion of the range of factors that must be considered in answering the allocation question. The primary issues addressed are (1) the motivation to seek treatment, (2) allocation by age, (3) child-rearing capacity, and (4) the amount of infertility treatment required. A set of eligibility and ranking criteria are presented. These criteria are not exhaustive but are intended to spark discussion about how uteruses can be allocated in a just manner.