1 Center of Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Academic Medical Center, University of Amsterdam, 1100 DD Amsterdam, Netherlands.
2 Division of Internal Medicine, and Laboratory of Clinical Virology, Department of Medical Microbiology, Academic Medical Center, University of Amsterdam, 1100 DD Amsterdam, Netherlands.
3 Department of Laboratory, Academic Hospital Paramaribo, Paramaribo, Suriname.
4 Internal Medicine and Infectious Diseases, Academic Hospital Paramaribo, Paramaribo, Suriname.
5 Department of Hematology, Academic Medical Center, University of Amsterdam, 1100 DD Amsterdam, Netherlands.
6 Center of Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Academic Medical Center, University of Amsterdam, 1100 DD Amsterdam, Netherlands. Electronic address: m.p.grobusch@amc.uva.nl.