1. Division of Exercise Science and Sports Medicine Department of Human Biology University of Cape Town Cape Town South Africa
2. Department of Physiology College of Health Sciences University of Zimbabwe Harare Zimbabwe
3. Department of Orthopaedic Surgery M, Bispebjerg Hospital and Center for Healthy Aging Faculty of Health and Medical Sciences Institute of Sports Medicine Copenhagen University of Copenhagen Copenhagen Denmark
4. High Performance Centre Sports Science Institute of South Africa Cape Town South Africa