Background Increased physical activity and dietary protein intake are promising interventions to prevent or treat the age-related decline in physical performance in older adults. There are well-controlled exercise as well as dietary intervention studies that show beneficial effects on physical performance …

Professional youth workers and their organizations pursue further improvement of quality and transparency in their work. Political developments require to demonstrate the added value of professional youth work to active citizenship. Due to the complex, dynamic and interactive nature of professional youth …

Resilience is held as a promising concept to produce a paradigm shift from traditional flood control to an integration of flood risk management and spatial planning. Central ideas to the resilience narrative are that nothing is certain except uncertainty itself' and adaptability' is key to governing …

BACKGROUND: Prediction models and prognostic scores have been increasingly popular in both clinical practice and clinical research settings, for example to aid in risk-based decision making or control for confounding. In many medical fields, a large number of prognostic scores are available, but practitioners …

Airports represent the major bottleneck in the air traffic management system with increasing traffic density. Enhanced levels of automation and coordination of surface operations are imperative to reduce congestion and to improve efficiency. This paper addresses the problem of comparing different control …

PURPOSE: The purpose of the study is to identify demographic, clinical, lifestyle-related, and social-cognitive correlates of physical activity (PA) intention and behavior in head and neck cancer (HNC) survivors using the theory of planned behavior (TPB). METHODS: Data from two cross-sectional studies …

Background: The aim of the study was to test the 12-month effects of a multicomponent physical activity (PA) intervention at schoolyards on morning recess PA levels of sixth- and seventh-grade children in primary schools, using accelerometry and additional global positioning system data. Methods: A quasi-experimental …

BACKGROUND: Whether hip range of motion (ROM) is a risk factor for groin pain in athletes is not known. OBJECTIVES: To systematically review the relationship between hip ROM and groin pain in athletes in cross-sectional/case-control and prospective studies. STUDY DESIGN: Systematic review, prospectively …

Background: Auditory processing disorder (APD) is a diagnosis that is widely discussed. Children diagnosed with APD have difficulty listening in complex situations, despite a well-functioning peripheral hearing. However, there seems to be no evidence for the validity of a purely auditory deficit. The …

Introduction: This prospective study aimed to study the composition and structure of the vaginal microbiota prior to Chlamydia trachomatis infection. Methods: A nested case-control study was performed in 122 women, half of which acquired C. trachomatis within a year after their first visit. At the first …