1. Department of Pharmacology and Therapeutics, College of Medicine, Ekiti State University, Ado-Ekiti, Nigeria
2. Department of Pharmacology and Medicine, Lagos State University College of Medicine and the Teaching Hospital, Ikeja, Nigeria
3. Department of Medicine, Clinical Pharmacology Unit, Ahmadu Bello University, Zaria, Nigeria
4. Faculty of Pharmacy, Niger Delta University, Wilberforce Island, Bayelsa State, Nigeria
5. Department of Medicine, Imo State University, Orlu, Nigeria
6. Department of Pharmacy, National Hospital Abuja, Abuja, Nigeria
7. Department of Public Health Pharmacy and Management, School of Pharmacy, Sefako Makgatho Health Sciences University, Garankuwa, South Africa
8. Department of Clinical Pharmacy and Pharmacy Practice, Faculty of Pharmacy, University of Benin, Benin City, Nigeria
9. Department of Clinical Pharmacology, School of Medicine, University of Botswana, Gaborone, Botswana
10. Division of Clinical Pharmacology, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
11. Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK