1. Department of Public and Occupational Health; Amsterdam UMC; Vrije Universiteit Amsterdam; Amsterdam Public Health Research Institute; Amsterdam The Netherlands
2. Centre for Nutrition, Prevention and Health Services; National Institute for Public Health and the Environment; Bilthoven The Netherlands
3. Center for Health Protection; National Institute for Public Health and the Environment, Bilthoven; Bilthoven The Netherlands
4. Institute for Medical Psychology; Ludwig Maximilian University of Munich; Munich Germany