Rahayatri T.H., Faculty of Medicine, Universitas Indonesia, Department of Pediatric Surgery, Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Oswari H., Faculty of Medicine, Universitas Indonesia, Department of Pediatrics, Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Kekalih A., Faculty of Medicine, Universitas Indonesia, Department of Community Medicine, Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Harahap A., Eijkman Institute for Molecular Biology, Jakarta, Indonesia; Hendarto A., Faculty of Medicine, Universitas Indonesia, Department of Pediatrics, Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Munasir Z., Faculty of Medicine, Universitas Indonesia, Department of Pediatrics, Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Setiabudy R., Faculty of Medicine, Universitas Indonesia, Department of Pharmacology, Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Taher A., Faculty of Medicine, Universitas Indonesia, Department of Urology, Cipto Mangunkusumo Hospital, Jakarta, Indonesia