[1] Univ Douala, Fac Sci, Dept Anim Biol, POB 24157, Douala, Cameroon
[2] Univ Douala, Physiol & Med Phys Act & Sports Unit, POB 7064, Douala, Cameroon
[3] Univ Buea, Fac Hlth Sci, Dept Publ Hlth & Hyg, Buea, Cameroon
[4] Univ Jean Monnet, Lab SAINBIOSE, INSERM, U1059, St Etienne, France
[5] Univ Yaounde I, Fac Med & Biomed Sci, Yaounde, Cameroon