Idris, N.S., Departments of Child Health, Faculty of Medicine, University of Indonesia/Cipto Mangunkusumo General Hospital, Jakarta, Indonesia; Dwipoerwantoro, P.G., Departments of Child Health, Faculty of Medicine, University of Indonesia/Cipto Mangunkusumo General Hospital, Jakarta, Indonesia; Kurniawan, A., Departments of Parasitology, Faculty of Medicine, University of Indonesia/Cipto Mangunkusumo General Hospital, Jakarta, Indonesia; Said, M., Departments of Parasitology, Faculty of Medicine, University of Indonesia/Cipto Mangunkusumo General Hospital, Jakarta, Indonesia