Published on in Vol 4, No 11 (2020): November
1 Department of Military Health, Yaoundé, Cameroon
2 Faculty of Science, University of Douala, Douala, Cameroon
3 Autonomic Nervous System Research Laboratory, University of Jean Monnet, Saint-Etienne, France
4 Douala General Hospital, Douala, Cameroon
5 Faculty of Medicine and Pharmaceutical Sciences, University of Douala, Douala, Cameroon
6 Support and Education Technic Centre of Health Examination Centres (CETAF), Saint-Etienne, France
*all authors contributed equally