1. Department of Internal Medicine; Amphia Hospital; Breda the Netherlands
2. Department of Internal Medicine and Endocrinology; University Medical Center; Utrecht the Netherlands
3. TNO Gezond Leven; Utrecht the Netherlands
4. Amsterdam university of applied sciences and University of the arts; Codarts Rotterdam; Rotterdam the Netherlands
5. Clinical Sports Medicine; University Medical Center Utrecht; Utrecht the Netherlands
6. Radboud University Nijmegen Medical Center; Nijmegen the Netherlands