1. Department of Pharmacy, Raleigh Fitkin Memorial Hospital, Manzini, Eswatini
2. Department of Public Health Pharmacy and Management, School of Pharmacy, Sefako Makgatho Health Sciences University, Ga-Rankuwa, South Africa
3. South African Vaccination and Immunisation Centre, Sefako Makgatho Health Sciences University, Ga-Rankuwa, South Africa
4. Department of Pharmacology, Faculty of Health Sciences, University of Pretoria, Gauteng, South Africa
5. Cerium Scientific, Matsapha, Eswatini
6. Department of Pharmacoepidemiology, Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK
7. Centre of Medical and Bio-allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates