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In this paper we construct a hierarchical model for spatial compositional data which is used to reconstruct past land-cover compositions (in terms of coniferous forest, broadleaved forest, and unforested/open land) for five time periods during the past 6000 years over Europe. The model consists of a Gaussian Markov Random Field (GMRF) with Dirichlet observations. A block updated Markov chain Monte
OBJECTIVE To explore whether a family history of type 1 diabetes (T1D) is associated with an increased incidence of attention deficit/hyperactivity disorder (ADHD) in offspring. RESEARCH DESIGN AND METHODS Individuals with T1D were identified from the nationwide Swedish National Hospital Discharge Register and Swedish Outpatient Register in Sweden and were linked to the SwedishMulti-Generation Reg
Several methods have been developed to predict effects of amino acid substitutions on protein stability. Benchmark datasets are essential for method training and testing and have numerous requirements including that the data is representative for the investigated phenomenon. Available machine learning algorithms for variant stability have all been trained with ProTherm data. We noticed a number of
In recent years, the study of polarisation vision in animals has seen numerous breakthroughs, not just in terms of what is known about the function of this sensory ability, but also in the experimental methods by which polarisation can be controlled, presented and measured. Once thought to be limited to only a few animal species, polarisation sensitivity is now known to be widespread across many t
AbstractObjectives: Patients with inflammatory rheumatic diseases (IRDs) have higher risk of serious infections than healthy individuals due to their illness, comorbidities and treatments. Streptococcus pneumoniae is responsible for 30-50% of community aquired pneumonia in Europe.The proportion of patients with IRD receiving vaccination against pneumococci is still estimated to be suboptimal. The
STUDY DESIGN: Study protocol for a randomized controlled trial and a prospective cohort. BACKGROUND: The number of arthroscopic surgical procedures for patients with femoroacetabular impingement syndrome (FAIS) has significantly increased worldwide, but high-quality evidence of the effect of such interventions is lacking. OBJECTIVES: The primary objective will be to determine the efficacy of hip a
In order to develop reliable communications links for high speed railway (HSR) systems, accurate models for the propagation channel are required. The radio channel properties in HSR scenarios are different from those in cellular scenarios not only due to the high velocity, but also due to the special construction elements and the type of surroundings along the train lines. This paper focuses on th
Technology is a compulsory subject at Swedish elementary schools and, according to the syllabus, helps students develop their ability to examine different technological solutions and reason how these solutions affect society, environment, and humans. An important challenge for educational research is to analyse and understand the consequences and impacts of technologies on students’ learning, well
The aim of this study is to explore how tertiary science students’ use of metaphors in their popular science article writing may influence their understanding of subject matter. For this purpose, six popular articles written by students in physics or geology were analysed by means of a close textual analysis and a metaphor analysis. In addition, semi-structured interviews were conducted with the s
Background: The widely used Rosenberg’s self-esteem scale (RSES) has not been evaluated for psychometric properties in Sweden. Aims: This study aimed at analyzing its factor structure, internal consistency, criterion, convergent and discriminant validity, sensitivity to change, and whether a four-graded Likert-type response scale increased its reliability and validity compared to a yes/no response
Writings on the fringe Jewish settler grassroots network known as the Hilltop Youth have proliferated in recent years, following the increase in violent activism associated with the network. But knowledge on this violent activism, called Price Tag, has remained conflicting and problematic. Central questions persist: What is the meaning of Price Tag violence? What explains the increase in the rate
Fire models are used increasingly for fire safety assessment in nuclear power plants. Examples of these fire models are CFD models and zone models. When using these models it is important that they are sufficiently verified and validated. In Sweden the majority of fire safety consultants are using FDS, developed by NIST. The verification and validation of this package is intensively done for a num
Artikeln undersöker moderna Europeiska roadmoviefilmer. Vad är det för slags Europa som visas i filmerna?
Mobiltelefonen har gått igenom en enorm teknisk utveckling de senaste åren. För antennens del har det inneburit en rad förändringar och denna artikel försöker beskriva några av de nya utmaningar som antennspecialisterna idag ställs inför. Antennen är numera ofta inbyggd i telefonen och täcker fler band på högre frekvenser och som inbyggd har den betydligt sämre förutsättningar än tidigare att fung
