1. Department of Microbiology, Parasitology, and Hematology, Faculty of Medicine and Biomedical Sciences, University of Yaoundé, Yaoundé, Cameroon.
2. Division of Human Genetics, Institute of Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, Republic of South Africa.
3. Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas.