Maurice Mike Ogolla

Faculty of Health Sciences, Great Lakes University of Kisumu, Kisumu, Kenya
Department of Physiotherapy, Jaramogi Oginga Odinga Teaching and Referral Hospital, Kisumu, Kenya

Damian Otieno Opemo

Faculty of Health Science, Kibabii University, Bungoma, Kenya

Collins Otieno Asweto

School of Public Health, Capital Medical University, Beijing, PR China