1. 1College of Medicine and Health Sciences, Bahir Dar University, Bahir Dar, Ethiopia;
2. 2Amsterdam UMC, University of Amsterdam, Department of Dermatology, Amsterdam Institute for Infection and Immunity (AI&I), Location Academic Medical Centre, Amsterdam, The Netherlands;
3. 3Department of Internal Medicine, College of Medicine and Health Sciences, Wollo University, Dessie, Ethiopia;
4. 4Addis Alem Hospital, Bahir Dar, Ethiopia;
5. 5Department of Epidemiology and Biostatistics, Institute of Public Health, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia;
6. 6WagHimra Zone Health Department, Sekota, Ethiopia