1. Department of Research and Development, Ciro, Horn, The Netherlands
2. Department of Respiratory Medicine, Nutrim School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, The Netherlands
3. REVAL Rehabilitation Research Center, BIOMED Research Institute, Faculty of Rehabilitation Sciences, Hasselt University, Diepenbeek, Belgium
4. Department of Health Services Research, Care and Public Health Research Institute, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands