1. Infectious Disease Research, Abbott Diagnostics, Abbott Park, Illinois.
2. Institut de Recherche en Santé, de Surveillance Epidemiologique et de Formations, Dakar, Senegal.
3. Infection Control Unit, King Faisal Specialist Hospital and Research Center, Jeddah, Saudi Arabia.
4. Department of Oral and Craniofacial Sciences, School of Dentistry, University of Missouri-Kansas City, Kansas City, Missouri.
5. Pathology Department, Truman Medical Center, Kansas City, Missouri.
6. Laboratory Research Department, Institute of Human Virology, Abuja, Nigeria.
7. Department of Hematology, Université de Yaoundé I, Yaoundé, Cameroon.
8. Laboratoire D'Hematologie, Université des Montagnes, Bangangté, Cameroon.