1. Science Institute, University of Iceland, Dunhagi 3, 107 Reykjavik, Iceland
2. Faculty of Pharmaceutical Sciences, School of Health Sciences, University of Iceland, Hofsvallagata 53, 107 Reykjavik, Iceland
3. Calor ehf., Aflagrandi 7, 107 Reykjavik, Iceland
4. Pharmacy Department, College of Medicine, University of Malawi, Blantyre 3, Malawi