1. Department of Clinical Pharmacy and Pharmacology, University of Groningen; University Medical Center Groningen; The Netherlands
2. Department of Pharmacy, College of Health Sciences; Mekelle University; Mekelle Ethiopia
3. Department of Pharmacy, Unit Pharmacotherapy, -epidemiology and -economics; University of Groningen; Groningen The Netherlands
4. School of Public Health, College of Health Sciences; Mekelle University; Mekelle Ethiopia
5. Department of Internal Medicine, School of Medicine, College of Health Sciences; Addis Ababa University; Addis Ababa Ethiopia
6. Department of Epidemiology, University of Groningen; University Medical Center Groningen; The Netherlands