1. Department of Paediatrics, Ekiti State University, Ado-Ekiti, Nigeria
2. Department of Paediatrics, Ekiti State University Teaching Hospital, Ado-Ekiti, Nigeria
3. Department of Pharmacology and Therapeutics, Ekiti State University, Ado-Ekiti, Nigeria
4. Department of Medicine, Ekiti State University Teaching Hospital, Ado-Ekiti, Nigeria
5. Department of Clinical Pharmacology, Ahmadu Bello University, Zaria, Nigeria
6. Department of Medicine, Ahmadu Bello University Teaching Hospital, Zaria, Nigeria
7. Department of Medicine, Imo State University, Orlu, Nigeria
8. Department of Pharmacy, University of Zambia, Lusaka, Zambia
9. Department of Community Medicine, Obafemi Awolowo University, Ile-Ife, Nigeria
10. Department of Medicine, Federal Medical Centre, Owo, Nigeria
11. Department of Medicine, University of Ilorin, Ilorin, Nigeria
12. Department of Pharmacy, Faculty of Health Sciences, School of Health Care Sciences, Sefako Makgatho Health Sciences University, Pretoria, South Africa
13. Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK
14. Health Economics Centre, University of Liverpool Management School, Liverpool, UK
15. Division of Clinical Pharmacology, Karolinska Institute, Karolinska University Hospital Huddinge, Stockholm, Sweden