Gach M.W., Oxford University Clinical Research Unit Indonesia, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia; Lazarus G., Oxford University Clinical Research Unit Indonesia, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Simadibrata D.M., Oxford University Clinical Research Unit Indonesia, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, United States; Sinto R., Oxford University Clinical Research Unit Indonesia, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia, Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom, Department of Internal Medicine, Division of Tropical Medicine and Infectious Diseases, Dr. Cipto Mangunkusumo Hospital, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia; Saharman Y.R., Department of Clinical Microbiology, Dr. Cipto Mangunkusumo Hospital, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia; Limato R., Oxford University Clinical Research Unit Indonesia, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia, Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom; Nelwan E.J., Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia, Department of Internal Medicine, Division of Tropical Medicine and Infectious Diseases, Dr. Cipto Mangunkusumo Hospital, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia; van Doorn H.R., Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom, Oxford University Clinical Research Unit, Hanoi, Viet Nam; Karuniawati A., Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia, Department of Clinical Microbiology, Dr. Cipto Mangunkusumo Hospital, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia; Hamers R.L., Oxford University Clinical Research Unit Indonesia, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia, Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom