1. Faculty of Pharmaceutical Sciences, School of Health Sciences, University of Iceland, 107 Reykjavik, Iceland
2. Department of Pharmacy, School of Life Sciences and Allied Health Professions, Kamuzu University of Health Sciences, P/Bag 360, Blantyre 3, Malawi
3. Biomedical Sciences Department, School of Life Sciences and Allied Health Professions, Kamuzu University of Health Sciences, P/Bag 360, Blantyre 3, Malawi