1. Centers for Disease Control and Prevention, Atlanta, Georgia, USA;
2. Groningen University Hospital, Groningen the Netherlands;
3. Ministry of Health, Accra, Ghana;
4. St. Martins Catholic Hospital, Agroyesum, Ghana;
5. Dunkwa Government Hospital, Dunkwa, Ghana;
6. Presbyterian Hospital, Agogo, Ghana;
7. Emory University, Atlanta, Georgia, USA