1 From the Department of Pharmacy, Radboud University Medical Center, Radboud Institute for Medical Innovations, Nijmegen, The Netherlands.
2 Department of Pharmacy, Tergooi MC, Hilversum, The Netherlands.
3 Health Action International, Amsterdam, The Netherlands.
4 Division of Pharmacoepidemiology and Clinical Pharmacology, Utrecht Centre for Pharmaceutical Policy and Regulation, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands.
5 School of Health Sciences, University of KwaZulu-Natal, Durban, South Africa.