1. Department of Medical Psychology; Hospital Gelderse Vallei; Ede The Netherlands
2. Department of Health Psychology, University Medical Centre Groningen; University of Groningen; Groningen The Netherlands
3. Department of Internal Medicine; Hospital Rivierenland; Tiel The Netherlands
4. Department of Psychology, Health and Technology; University of Twente; Enschede The Netherlands
5. Department of Clinical Psychology; University of Amsterdam and Netherlands Institute for Advanced Study; Amsterdam The Netherlands