1. Department of Clinical Pathology, Faculty of Medicine, Universitas Padjadjaran, Hasan Sadikin General Hospital, Bandung, Indonesia
2. Department of Internal Medicine, Faculty of Medicine, Universitas Sumatera Utara, Adam Malik General Hospital, Medan, Indonesia
3. Department of Medical Microbiology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, The Netherlands
4. Department of Global Health, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, The Netherlands
5. Amsterdam Institute for Global Health and Development, Amsterdam, The Netherlands