1 Department of Physiotherapy and Physical Medicine, Faculty of Medicine and Pharmaceutical Sciences, University of Dschang, Dschang, Cameroon maurice.douryang@univ-dschang.org.
2 Laboratory of Virology, Chantal Biya International Reference Center for Research on HIV/AIDS prevention and management (CIRCB), Yaoundé, Cameroon.
3 Faculty of Sciences and Technology, Evangelic University of Cameroon, Bandjoun, Cameroon.
4 Section Sports Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa.
5 Wits Institute of Sports Health, WiSH, Health Sciences Department, University of the Witwatersrand, Johannesburg-Braamfontein, Gauteng, South Africa.