| Wm Monique Verschuren | Prevention and Health Services, National Institute for Public Health and the Environment (RIVM) |
| Wm Monique Verschuren | Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University |
| Harold Snieder | University Medical Center Groningen, University of Groningen |
| Harold Snieder | University Medical Center Groningen, University of Groningen |