1Department of Family Medicine, Care and Public Health Research Institute (CAHPRI), Maastricht University, 6200 MD Maastricht, The Netherlands.
2Department of Methodology and Statistics, Care and Public Health Research Institute (CAHPRI), Maastricht University, 6200 MD Maastricht, The Netherlands.
3MEMIC, Center for Data and Information Management, Faculty of Health, Medicine and Life Sciences, Maastricht University, 6200 MD Maastricht, The Netherlands.
4Department of Health Services Research, Care and Public Health Research Institute (CAHPRI), Maastricht University, 6200 MD Maastricht, The Netherlands.
5Department of Hospital Pharmacy, Erasmus MC, University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands.
6Institute of General Practice, Goethe University, 60590 Frankfurt am Main, Germany.
7Academic Centre of General Practice, Department of Public Health and Primary Care, KU Leuven, 3000 Leuven, Belgium.