Nelwan, E.J., Division of Tropical and Infectious Disease, Internal Medicine Department, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia, Division of Tropical and Infectious Disease, Internal Medicine Department, Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Shakinah, S., Division of Tropical and Infectious Disease, Internal Medicine Department, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia, Division of Tropical and Infectious Disease, Internal Medicine Department, Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Pasaribu, A., Division of Tropical and Infectious Disease, Internal Medicine Department, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia, Division of Tropical and Infectious Disease, Internal Medicine Department, Cipto Mangunkusumo Hospital, Jakarta, Indonesia