1. Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
2. Radboud Center for Infectious Diseases, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
3. Center for Tropical and Infectious Diseases (CENTRID), Faculty of Medicine Diponegoro University - Dr. Kariadi Hospital, Semarang, Indonesia
4. Department of Clinical Chemistry and Haematology, University Medical Centre, Utrecht, The Netherlands