Published on in Vol 17 , No 12 (2015) :December

1 CAPHRI- School for Public Health and Primary Care, Maastricht, NL
2 Maastricht University Medical Center, Clinical Epidemiology and Technology Assessment, Maastricht, NL
3 Trimbos Instituut, Institute of Mental health and Addiction, Utrecht, NL
4 Maastricht University, Department of Health Services Research, Maastricht, NL
5 University of Groningen, Department of Pharmacy, Groningen, NL
6 University Groningen, University Medical Center Groningen, Department of Epidemiology, Groningen, NL
7 Maastricht University, Department of General Practice, Maastricht, NL