1. Laboratory of Biochemistry, Department of Biochemistry, Faculty of Medicine and Biomedical Science, University of Yaounde 1, Yaounde, Cameroon
2. Research Unit of Biochemistry of Medicinal Plants, Food Sciences and Nutrition, Department of Biochemistry, Faculty of Science, University of Dschang, Dschang, Cameroon
3. Laboratory for Food Science and Metabolism, Department of Biochemistry, Faculty of Science, University of Yaounde 1, Yaounde, Cameroon
4. Hematological Service at the Central Hospital, Yaounde, Cameroon