bluuebunny/crossref_metadata_2025_split huggingface dataset:
Juvenile age and available coral species modulate transition probability from herbivory to corallivory in Acanthaster cf. solaris (Crown-of-Thorns Seastar)
Authors: Neil Rachel C. , Gomez Cabrera Maria , Uthicke Sven 
Published: April 2022

AbstractPrior to transitioning to a coral diet, juvenileAcanthastercf.solaris, the Crown-of-Thorns Seastar (COTS), feed on crustose coralline algae. Although a detailed understanding of juvenile ecology is crucial to predict and prevent outbreaks, the exact timing of the transition is unresolved. Two experiments were conducted to measure time and size of COTS at the transition, and investigate potential modulating effects of different coral species. COTS began early transitions at similar sizes (7.5–8.5 mm), and these first transitions were observed around 136–145 d. Between 175 and 191 d, a 50% transition in the presence ofAcropora tenuiswas measured. After 175d, the percentage of COTS cohorts that had transitioned was significantly lower inA. millepora(38%) andStylophora pistillata(7%) compared toA. tenuis(51%). These data fill important knowledge gaps in juvenile ecology, and the influence of coral species on transition suggests an undescribed feedback mechanism between prey and predator.
Habit formation and the pareto-efficient provision of public goods
Authors: Aronsson Thomas , Schöb Ronnie 
Published: April 2022

AbstractThis paper examines the implications of habit formation in private and public goods consumption for the Pareto-efficient provision of public goods, based on a two-period model with nonlinear taxation. Under weak leisure separability, and if the public good is a flow-variable such that the government directly decides on the level of the public good in each period, habit formation leads to a modification of the policy rule for public good provision if, and only if, the degrees of habituation differ for private and public good consumption. By contrast, if the public good supply is time-invariant, the presence of habit formation generally alters the policy rule for public good provision.
The contributions of cartilage endplate composition and vertebral bone marrow fat to intervertebral disc degeneration in patients with chronic low back pain
Authors: Bonnheim Noah B. , Wang Linshanshan , Lazar Ann A. , Zhou Jiamin , Chachad Ravi , Sollmann Nico , Guo Xiaojie , Iriondo Claudia , O’Neill Conor , Lotz Jeffrey C. , Link Thomas M. , Krug Roland , Fields Aaron J. 
Published: April 2022

Abstract
Purpose
The composition of the subchondral bone marrow and cartilage endplate (CEP) could affect intervertebral disc health by influencing vertebral perfusion and nutrient diffusion. However, the relative contributions of these factors to disc degeneration in patients with chronic low back pain (cLBP) have not been quantified. The goal of this study was to use compositional biomarkers derived from quantitative MRI to establish how CEP composition (surrogate for permeability) and vertebral bone marrow fat fraction (BMFF, surrogate for perfusion) relate to disc degeneration.

Methods
MRI data from 60 patients with cLBP were included in this prospective observational study (28 female, 32 male; age = 40.0 ± 11.9 years, 19–65 [mean ± SD, min–max]). Ultra-short echo-time MRI was used to calculate CEP T2* relaxation times (reflecting biochemical composition), water-fat MRI was used to calculate vertebral BMFF, and T1ρ MRI was used to calculate T1ρ relaxation times in the nucleus pulposus (NP T1ρ, reflecting proteoglycan content and degenerative grade). Univariate linear regression was used to assess the independent effects of CEP T2* and vertebral BMFF on NP T1ρ. Mixed effects multivariable linear regression accounting for age, sex, and BMI was used to assess the combined relationship between variables.

Results
CEP T2* and vertebral BMFF were independently associated with NP T1ρ (p = 0.003 and 0.0001, respectively). After adjusting for age, sex, and BMI, NP T1ρ remained significantly associated with CEP T2* (p = 0.0001) but not vertebral BMFF (p = 0.43).

Conclusion
Poor CEP composition plays a significant role in disc degeneration severity and can affect disc health both with and without deficits in vertebral perfusion.
Urinary interleukin-9 in youth with type 1 diabetes mellitus
Authors: Semenchuk Julie , Sullivan Katie , Moineddin Rahim , Mahmud Farid , Dart Allison , Wicklow Brandy , Xiao Fengxia , Medeiros Thalia , Scholey James , Burger Dylan 
Published: April 2022

Abstract
Aims
Interleukin-9 (IL-9) attenuates podocyte injury in experimental kidney disease, but its role in diabetic nephropathy is unknown. We sought to relate urinary IL-9 levels to the release of podocyte-derived extracellular vesicles (EVs) in youth with type 1 diabetes. We related urinary IL-9 levels to clinical variables and studied interactions between urinary IL-9, vascular endothelial growth factor (VEGF), tumor necrosis factor alpha (TNFα) and interleukin-6 (IL-6) on urinary albumin/creatinine ratio (ACR) a functional measure of podocyte injury.

Methods
We performed an analysis of urine samples and clinical data from a cohort of youth with type 1 diabetes (n = 53). Cytokines were measured using a Luminex platform (Eve Technologies), and nanoscale flow cytometry was employed to quantify urinary podocyte-derived EVs. All urinary measures were normalized to urinary creatinine.

Results
Mean age was 14.7 ± 1.6 years, and the mean time from diagnosis was 6.7 ± 2.9 years. Mean HbA1c was 70.3 ± 13.9 mmol/mol, mean ACR was 1.3 ± 1.9 mg/mmol, and mean eGFR was 140.3 ± 32.6 ml/min/1.73 m2. IL-9 was inversely related to podocyte EVs (r = − 0.56, p = 0.003). IL-9 was also inversely related to blood glucose, HbA1C and eGFR (r = − 0.44, p = 0.002; r = − 0.41, p = 0.003; r = − 0.49, p < 0.001, respectively) and positively correlated with systolic BP (r = 0.30, p = 0.04). There was a significant interaction between IL-9, EVs and ACR (p = 0.0143), and the relationship between IL-9 and ACR depended on VEGF (p = 0.0083), TNFα (p = 0.0231) and IL-6 levels (p = 0.0178).

Conclusions
IL-9 is associated with podocyte injury in early type 1 diabetes, and there are complex interactions between urinary IL-9, inflammatory cytokines and ACR.
A systematic review of studies on resilience and risk and protective factors for health among refugee children in Nordic countries
Authors: Mattelin Erica , Paidar Kristina , Söderlind Natalie , Fröberg Frida , Korhonen Laura 
Published: April 2022

AbstractThe Nordic welfare model is often used as an example for the promotion of health and wellbeing, even in vulnerable groups of children, such as refugees. Nonetheless, there are no published reviews on resilience and/or risk and protective factors for physical and mental health among refugee children living in Nordic countries. In this systematic review, we identified 5181 studies on the topic, screened titles, and abstracts, viewed 632, and finally included 26 studies. These studies described 18 samples with a total of 34,080 individuals ranging in ages 0–18 years. Overall, the studies were of good quality. Nearly all studies assessed adversity. Six studies reported physical health outcomes and all studies mental health outcomes, most often post-traumatic stress disorder and anxiety. None explicitly studied resilience. While we found that age and sex are the most frequently studied risk- and protective factors, findings are inconclusive, since the direction of the associations was different in the different studies. This systematic review indicates that there is still a need for well-designed and -powered studies using clear definitions of key study concepts to examine health outcomes and resilience among refugee children in Nordic countries.
The regulatory role of affective inhibitory control in somatic symptoms among adolescents exposed to child maltreatment: a population-based study
Authors: Sætren Sjur Skjørshammer , Augusti Else-Marie , Myhre Mia Cathrine , Hafstad Gertrud Sofie 
Published: April 2022

AbstractAdolescents exposed to child maltreatment are at increased risk for various somatic symptoms, but which psychological factors that contribute to this relationship need to be further investigated. Emotion dysregulation is suggested to serve as a proximal link between child maltreatment and somatic complaints. The purpose of the present study was to investigate whether individual differences in affective inhibitory control, a central component in implicit emotion regulation, contribute to the risk of somatic symptoms in adolescents exposed to child maltreatment. Data were drawn from the UEVO study, a national population-based survey of adolescents between 12 and 16 years of age (N = 9240). For this study, we included participants who completed the emotional go/no-go task measuring affective inhibitory control (N = 7241; Mage/SD = 14 years/.87; 52% girls, 47% boys), of which N = 3349 reported at least one incident of maltreatment exposure (57% girls, 41% boys). Exposure to psychological abuse and sexual abuse were associated with somatic symptoms. Affective inhibitory control was related to somatic symptoms, both in the total sample and in adolescents exposed to child maltreatment. The strength of relationships between exposure to psychological abuse and somatic symptoms, as well as sexual abuse and somatic symptoms, were moderated by individual differences in affective inhibitory control problems. Our study suggests that psychological abuse and sexual abuse increase the risk for somatic symptoms in adolescence. Affective inhibitory control, a central component in implicit emotion regulation, was related to somatic symptoms and moderated the relationships between psychological abuse and somatic symptoms, and sexual abuse and somatic symptoms. Revealing these associations in a population-based sample indicates that treatment targeting affective inhibitory control may be beneficial and should be explored further in clinical settings.
Augmented reality–assisted craniofacial reconstruction in skull base lesions — an innovative technique for single-step resection and cranioplasty in neurosurgery
Authors: Steiert Christine , Behringer Simon Phillipp , Kraus Luisa Mona , Bissolo Marco , Demerath Theo , Beck Juergen , Grauvogel Juergen , Reinacher Peter Christoph 
Published: April 2022

Abstract
Defects of the cranial vault often require cosmetic reconstruction with patient-specific implants, particularly in cases of craniofacial involvement. However, fabrication takes time and is expensive; therefore, efforts must be made to develop more rapidly available and more cost-effective alternatives. The current study investigated the feasibility of an augmented reality (AR)–assisted single-step procedure for repairing bony defects involving the facial skeleton and the skull base. In an experimental setting, nine neurosurgeons fabricated AR-assisted and conventionally shaped (“freehand”) implants from polymethylmethacrylate (PMMA) on a skull model with a craniofacial bony defect. Deviations of the surface profile in comparison with the original model were quantified by means of volumetry, and the cosmetic results were evaluated using a multicomponent scoring system, each by two blinded neurosurgeons. Handling the AR equipment proved to be quite comfortable. The median volume deviating from the surface profile of the original model was low in the AR-assisted implants (6.40 cm3) and significantly reduced in comparison with the conventionally shaped implants (13.48 cm3). The cosmetic appearance of the AR-assisted implants was rated as very good (median 25.00 out of 30 points) and significantly improved in comparison with the conventionally shaped implants (median 14.75 out of 30 points). Our experiments showed outstanding results regarding the possibilities of AR-assisted procedures for single-step reconstruction of craniofacial defects. Although patient-specific implants still represent the gold standard in esthetic aspects, AR-assisted procedures hold high potential for an immediately and widely available, cost-effective alternative providing excellent cosmetic outcomes.
Structural damage burden and hypertrophic olivary degeneration in pediatric postoperative cerebellar mutism syndrome
Authors: Beez Thomas , Munoz-Bendix Christopher , Mijderwijk Hendrik-Jan , Remke Marc , Hänggi Daniel 
Published: April 2022

AbstractCerebellar mutism syndrome (CMS) occurs in one out of four children after posterior fossa tumor surgery, with open questions regarding risk factors, pathophysiology, and prevention strategies. Because of similarities between several cerebellar syndromes, a common pathophysiology with damage to the dentato-thalamo-cortical and dentato-rubro-olivary pathways has been proposed. Hypertrophic olivary degeneration (HOD) is an imaging correlate of cerebellar injury observed for instance in stroke patients. Aim of this study was to investigate whether the occurrence and severity of CMS correlates with the extent of damage to the relevant anatomical structures and whether HOD is a time-dependent postoperative neuroimaging correlate of CMS. We performed a retrospective single center study of CMS patients compared with matched non-CMS controls. CMS occurred in 10 children (13% of the overall cohort) with a median age of 8 years. Dentate nucleus (DN) injury significantly correlated with CMS, and superior cerebellar peduncle (SCP) injury was associated by tendency. HOD was observed as a dynamic neuroimaging phenomenon in the postoperative course and its presence significantly correlated with CMS and DN injury. Children who later developed HOD had an earlier onset and tended to have longer persistence of CMS. These findings can guide surgical measures to protect the DN and SCP during posterior fossa tumor resections and to avoid a high damage burden (i.e., bilateral damage). Development of intraoperative neuromonitoring of the cerebellar efferent pathways as well as improved preoperative risk stratification could help to establish a patient-specific strategy with optimal balance between degree of resection and functional integrity.
Investigating the spatial resolution of EMG and MMG based on a systemic multi-scale model
Authors: Klotz Thomas , Gizzi Leonardo , Röhrle Oliver 
Published: April 2022

AbstractWhile electromyography (EMG) and magnetomyography (MMG) are both methods to measure the electrical activity of skeletal muscles, no systematic comparison between both signals exists. Within this work, we propose a novel in silico model for EMG and MMG and test the hypothesis that MMG surpasses EMG in terms of spatial selectivity, i.e. the ability to distinguish spatially shifted sources. The results show that MMG provides a slightly better spatial selectivity than EMG when recorded directly on the muscle surface. However, there is a remarkable difference in spatial selectivity for non-invasive surface measurements. The spatial selectivity of the MMG components aligned with the muscle fibres and normal to the body surface outperforms the spatial selectivity of surface EMG. Particularly, for the MMG’s normal-to-the-surface component the influence of subcutaneous fat is minimal. Further, for the first time, we analyse the contribution of different structural components, i.e. muscle fibres from different motor units and the extracellular space, to the measurable biomagnetic field. Notably, the simulations show that for the normal-to-the-surface MMG component, the contribution from volume currents in the extracellular space and in surrounding inactive tissues, is negligible. Further, our model predicts a surprisingly high contribution of the passive muscle fibres to the observable magnetic field.
Optimal coalition structures for probabilistically monotone partition function games
Authors: Fatima Shaheen , Wooldridge Michael 
Published: April 2022

AbstractFor cooperative games with externalities, the problem of optimally partitioning a set of players into disjoint exhaustive coalitions is called coalition structure generation, and is a fundamental computational problem in multi-agent systems. Coalition structure generation is, in general, computationally hard and a large body of work has therefore investigated the development of efficient solutions for this problem. However, the existing methods are mostly limited to deterministic environments. In this paper, we focus attention on uncertain environments. Specifically, we define probabilistically monotone partition function games, a subclass of the well-known partition function games in which we introduce uncertainty. We provide a constructive proof that an exact optimum can be found using a greedy approach, present an algorithm for finding an optimum, and analyze its time complexity.
Net carbon dioxide emissions from an eroding Atlantic blanket bog
Authors: Artz Rebekka R. E. , Coyle Mhairi , Donaldson-Selby Gillian , Morrison Ross 
Published: April 2022

AbstractThe net impact of greenhouse gas emissions from degraded peatland environments on national Inventories and subsequent mitigation of such emissions has only been seriously considered within the last decade. Data on greenhouse gas emissions from special cases of peatland degradation, such as eroding peatlands, are particularly scarce. Here, we report the first eddy covariance-based monitoring of carbon dioxide (CO2) emissions from an eroding Atlantic blanket bog. The CO2 budget across the period July 2018–November 2019 was 147 (± 9) g C m−2. For an annual budget that contained proportionally more of the extreme 2018 drought and heat wave, cumulative CO2 emissions were nearly double (191 g C m−2) of that of an annual period without drought (106 g C m−2), suggesting that direct CO2 emissions from eroded peatlands are at risk of increasing with projected changes in temperatures and precipitation due to global climate change. The results of this study are consistent with chamber-based and modelling studies that suggest degraded blanket bogs to be a net source of CO2 to the atmosphere, and provide baseline data against which to assess future peatland restoration efforts in this region.
Mental Health among African American and Latinx Men who have sex with men after the COVID-19 Lockdown in Los Angeles – Findings from the HOPE cohort
Authors: Wang Yan , Kinsler Janni , Cumberland William G. , Young Sean D. 
Published: April 2022

AbstractThis study aimed to examine the depression and anxiety among men of color (primarily African American and Latinx) who have sex with men after the lockdown due to the COVID-19 pandemic. Outcomes included 21-item Beck Depression Inventory (BDI), 7-item Generalized Anxiety Disorder (GAD), and a 10-item COVID-related anxiety measure using a modified H1N1-related anxiety question. Independent variables were food insecurity and belief in government efficiency. Data were analyzed by Regression models with random cluster effects. Food insecurity experiences were significantly associated with higher depression (p < 0.001), higher anxiety (p < 0.001), and higher pandemic-related anxiety (p < 0.001). Higher levels of belief in government efficiency were significantly associated with lower depression (p < 0.05), less anxiety (p < 0.05), and less pandemic-related anxiety (p-value < 0.001). These findings emphasize the importance of establishing trust between government and at-risk communities when issuing public health policies, especially during unforeseen circumstances, as well as to ensure basic human rights, such as food security.
Economic Precariousness and the Transition to Parenthood: A Dynamic and Multidimensional Approach
Authors: van Wijk Daniël C. , de Valk Helga A. G. , Liefbroer Aart C. 
Published: April 2022

AbstractEconomic precariousness has taken on a central role in explanations of the postponement of childbearing in developed societies. However, most studies conceptualize and operationalize precariousness as being static and one-dimensional, which provides only a partial perspective on the links between precariousness and fertility. In this paper, we study precariousness as a dynamic and multidimensional concept, distinguishing between past and current precariousness as well as between precariousness relating to income and to employment. Analyses are based on Dutch full-population register data. We select all inhabitants of the Netherlands who left education in 2006 and follow them until 2018. Event history analyses show that current and past income and employment precariousness all have independent negative effects on the first birth rate for men. Current and past employment precariousness and past income precariousness also reduce the first birth rate for women, but current income precariousness increases women’s probability of first conception. When precariousness is both persistent and multidimensional, it is associated with a threefold decrease in the monthly probability of conceiving a first child for men and almost a halving of the probability for women. Our analyses show the need for going beyond static and one-dimensional analyses in order to understand how economic precariousness may affect fertility behaviour.
University autonomy under democratic backsliding: a case study of a plagiarism investigation against Serbian Minister of Finance (2014–2019)
Authors: Tomic Slobodan , Radeljic Branislav 
Published: April 2022

AbstractScholars have documented a tendency of (semi-)authoritarian regimes to undermine university autonomy, mainly through organizational (de jure) changes. This paper presents a case study of a publicly triggered plagiarism investigation by the University of Belgrade into the doctoral thesis of the Serbian Minister of Finance, one of the key members of the increasingly authoritarian regime. The analysis finds a proceduralized and delayed response of the university’s leadership, which indicates lowered de facto autonomy from politics, despite the university’s continually high de jure autonomy. The investigation was closed only after a mobilization within the academic community which resulted in a university’s blockade that forced its leadership to retract the contentious thesis. The case study shows that, in contexts of democratic backsliding, political capture can extend farther than usually thought, impacting even the implementation of internal university standards. On the other hand, the analysis also shows that political capture is not necessarily irreversible and that academic community can mobilize to ‘undo’ it. This reinforces the notion of academic communities as value-driven groups capable of exerting peer pressure to override even authoritarian pressures. In order to understand the dynamic of the plagiarism inquiry in its entirety, we apply insights from theory of power to complement and overcome the limitations of the conventional theoretical frameworks on democratic backsliding and academic autonomy.
Co-Shaping an Ecosystem for Responsible AI: Five Types of Expectation Work in Response to a Technological Frame
Authors: Minkkinen Matti , Zimmer Markus Philipp , Mäntymäki Matti 
Published: April 2022

AbstractGoverning artificial intelligence (AI) requires cooperation, although the collaboration’s form remains unclear. Technological frames provide a theoretical perspective for understanding how actors interpret a technology and act upon its development, use, and governance. However, we know little about how actors shape technological frames. In this paper, we study the shaping of the technological frame of the European ecosystem for responsible AI (RAI). Through an analysis of EU documents, we identified four expectations that constitute the EU’s technological frame for the RAI ecosystem. Moreover, through interviews with RAI actors, we revealed five types of expectation work responding to this frame: reproducing, translating, and extending (congruent expectation work), and scrutinizing and rooting (incongruent expectation work). Furthermore, we conceptualize expectation work as actors’ purposive actions in creating and negotiating expectations. Our study contributes to the literature on technological frames, technology-centered ecosystems, and RAI while also elucidating the dimensions and co-shaping of technological frames.