1. Division of Psychosocial Research and Epidemiology; The Netherlands Cancer Institute; Amsterdam the Netherlands
2. Department of Clinical Psychological Science; Maastricht University; Maastricht the Netherlands
3. ZOL Ziekenhuizen Oost-Limburg; Genk Belgium
4. Department of Methodology and Statistics, CAPHRI School for Care and Public Health; Maastricht University; Maastricht the Netherlands