[1] Univ Yaounde I, Dept Biochem, Fac Med & Biomed Sci, Yaounde, Cameroon
[2] Yaounde Univ Teaching Hosp, Lab Biochem, Yaounde, Cameroon
[3] Yaounde Cent Hosp, Endocrinol Unit, Yaounde, Cameroon
[4] Univ Yaounde I, Dept Internal Med, Fac Med & Biomed Sci, Yaounde, Cameroon
[5] Yaounde Cent Hosp, Rhumatol Unit, Yaounde, Cameroon
[6] Univ Yaounde I, Fac Med & Biomed Sci, Yaounde, Cameroon
[7] GT Lab, Yaounde, Cameroon
[8] Camerooon Soc Clin Biol, Yaounde, Cameroon