1. Department of Pharmacy and Pharmacology, University of the Witwatersrand, Johannesburg, South Africa
2. Drug Utilization Research Unit (DURU), Department of Pharmacy, Nelson Mandela University, Port Elizabeth, South Africa
3. Rhodes University, Grahamstown, South Africa
4. University of KwaZulu-Natal, Durban, South Africa
5. University of Limpopo, Polokwane, South Africa
6. School of Pharmacy, North-West University, Potchefstroom, South Africa