1. International Research Center of Excellence, Institute of Human Virology Nigeria, Abuja, Nigeria
2. Division of Epidemiology and Prevention, Institute of Human Virology
3. Department of Pediatrics, University of Maryland School of Medicine, Baltimore, Maryland, USA
4. Department of Paediatrics and Child Health, University of Cape Coast School of Medical Sciences, Cape Coast
5. Paediatric Infectious Diseases Unit, Directorate of Child Health, Komfo Anokye Teaching Hospital, Kumasi, Ghana
6. Respiratory/Infectious Diseases Unit, Department of Paediatrics, University of Calabar and University of Calabar Teaching Hospital, Calabar, Nigeria