1. Institute of Tropical Medicine Department of Clinical Sciences, , Antwerp, Belgium
2. University of Antwerp Department of Biomedical Sciences, , Antwerp, Belgium
3. Centre for Infectious Diseases, Queen Astrid Military Hospital , Brussels, Belgium
4. Ghent University Hospital Department of Internal Medicine and Infectious Diseases, , Belgium
5. Hospital Pharmacy, Queen Astrid Military Hospital , Brussels, Belgium
6. Clinical Laboratory, Queen Astrid Military Hospital , Brussels, Belgium
7. Institute of Tropical Medicine Virology Unit, , Antwerp, Belgium
8. Institute of Tropical Medicine Clinical Trials Unit, , Antwerp, Belgium