1. Utrecht Institute for Pharmaceutical Sciences, Utrecht University, The Netherlands;
2. School of Health Sciences, University of Tampere, Tampere, Finland;
3. Health eResearch Centre, Farr Institute for Health Informatics Research, University of Manchester, Manchester, UK;
4. Medical Center Maastricht and School for Public Health and Primary Care (CAPHRI), Maastricht University, Maastricht, The Netherlands;
5. MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK;
6. Department of Clinical Pharmacy and Toxicology, Maastricht University Medical Center, Maastricht, The Netherlands.