1. Department of Clinical Medicine; Institute of Tropical Medicine, Nagasaki University; Nagasaki Japan
2. Program for Nurturing Global Leaders in Tropical and Emerging Communicable Diseases; Graduate School of Biomedical Sciences, Nagasaki University; Nagasaki Japan
3. Institut National de Recherche Biomedicale (INRB); Kinshasa DRC
4. School of Tropical Medicine and Global Health; Nagasaki University; Nagasaki Japan
5. Department of Infectious Disease Epidemiology, Faculty of Epidemiology and Population Health; London School of Hygiene & Tropical Medicine; London UK
6. Department of Preventive Medicine and Biometrics; Uniformed Services University; Bethesda Maryland USA
7. Department of Clinical Research, Faculty of Infectious and Tropical Diseases; London School of Hygiene & Tropical Medicine; London UK