1. Pettenkofer School of Public Health, Institute for Medical Information Processing, Biometry and Epidemiology, LMU Munich, Marchioninistr. 15, Munich, Germany
2. Jambo Bukoba NGO Office Tanzania, Jambo Bukoba e.V., Aerodrome Road, Bukoba, Tanzania
3. Department of Kiswahili, St. Augustine University of Tanzania, Mwanza, Tanzania