1. Department of Orthopaedics and Rehabilitation, School of Medicine, Moi University, Eldoret, Kenya
2. Physiotherapy Department, University of the Western Cape, South Africa
3. Faculty of Community and Health Sciences, University of the Western Cape, South Africa
4. Department of Human Anatomy, University of Nairobi, Kenya
5. Kenyatta National & Aga Khan University Hospital, Nairobi, Kenya