1. Food and Drugs Authority, P.O. Box CT 2783, Cantonments, Accra, Ghana
2. PharmacoTherapy, Epidemiology and Economics, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
3. Netherlands Pharmacovigilance Centre Lareb, ‘s-Hertogenbosch, The Netherlands
4. PharmacoTherapy, Epidemiology and Economics, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, The Netherlands
5. School of Pharmacy, College of Health Sciences, University of Ghana, Legon, Ghana
6. Food and Drugs Authority, Accra, Ghana