Affiliation: | 1. Department of Epidemiology, Maastricht University, CAPHRI School for Public Health and Primary Care, Maastricht, the Netherlands;2. South Limburg Public Health Service, Geleen, the Netherlands;3. Department of Social Medicine, Maastricht University, CAPHRI School for Public Health and Primary Care, Maastricht, the Netherlands;4. Department of General Practice, Maastricht University, CAPHRI School for Public Health and Primary Care, Maastricht, the Netherlands |