1. H3 Research Unit of Candella Ltd, Dar es Salaam, Tanzania
2. Department of Public Health, The Ministry of Health, Tabuk, Saudi Arabia
3. Department of Hospital Medicine, MCH-Bronovo, The Hague, The Netherlands
4. Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
5. Unit of Rehabilitation Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan