1. School of Pharmacy, Faculty of Health Sciences, University of Namibia, Windhoek, Namibia
2. Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK
3. Division of Public Health Pharmacy and Management, School of Pharmacy, Sefako Makgatho Health Sciences University, Pretoria, South Africa
4. School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang, Malaysia