1. Department of Biochemistry and Molecular Biology, Faculty of Science, University of Buea, P.O. Box 63, Buea, Cameroon
2. Laboratory for Drugs and Molecular Diagnostics Research (ANDI Centre of Excellence for Onchocerciasis Drug Research), Biotechnology Unit, University of Buea, P.O. Box 63, Buea, Cameroon
3. Department of Biochemistry, Faculty of Science, University of Bamenda, P.O. Box 39, Bambili, Cameroon
4. Laboratory of Pharmacology and Toxicology, Department of Biochemistry, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon
5. National Higher Polytechnic Institute (NAHPI), University of Bamenda, P.O. Box 39, Bambili, Cameroon