Studies monitoring vitamin D status in athletes are seldom conducted for a period of 12 months or longer, thereby lacking insight into seasonal fluctuations. The objective of the cur-rent study was to identify seasonal changes in total 25-hydroxyvitamin D (25(OH)D) concen-tration throughout the year. …

BACKGROUND: The quality standards of the Dutch Society of Intensive Care require monitoring of the satisfaction of patient's relatives with respect to care. Currently, no suitable instrument is available in the Netherlands to measure this. This study describes the development and psychometric evaluation …

A literature review conducted as part of a research project named “Measuring Safety in Aviation – Developing Metrics for Safety Management Systems” revealed several challenges regarding the safety metrics used in aviation. One of the conclusions was that there is limited empirical evidence about the …

Research statement Our study analyses the factors that drive decision-making on distribution structures, including the layout of distribution channels and the locations of distribution centres. Distribution is a primary firm activity, which strongly influences logistics costs and logistics performance. …

More than ten years ago, the European Union established the EU Counter Terrorism Strategy. The aim of the strategy was to ‘’combat terrorism globally while respecting human rights, and make Europe safer, allowing its citizens to live in an area of freedom, security and justice’’ (Council of the European …

The next generation fulfilment centres are large logistic properties that respond to the growth of business to consumer e-commerce. To respond appropriately, these custom-made properties have to provide an optimal environment aligned to the e-retail strategy to generate as much productivity, cost reduction …

This report contains the results of the graduation research of Jurre Kuijper and Martin Volgers. The research goal is to find an appropriate model to calculate the heat transfer under different sets of system conditions. The system in this case is a sewer heat system, which consists of a sewage pipe …

Purpose: The etiology of pain in osteoarthritis (OA) is complex and multifactorial. A growing number of studies suggest that modification of pain-transmission in the peripheral and central nervous system, leading to sensitization, plays a role in OA pain. Sensitization seems to be associated with neuropathic …

Anaerobic digestion (AD) can play an important role in achieving the renewable energy goals set within the European Union. Within this article the focus is placed on reaching the Dutch local renewable production goal set for the year 2020 with locally available biomass waste flows, avoiding intensive …

The aim of the current study was to examine the effectiveness of a school-centered multicomponent PA intervention, called ‘Active Living’, on children's daily PA levels. A quasi-experimental design was used including 9 intervention schools and 9 matched control schools located in the Netherlands. The …