Isa, M.M., Pediatric Surgery Division, Department of Surgery, Faculty of Medicine, Universitas Syiah Kuala/Dr. Zainoel Abidin Hospital, Banda Aceh, Indonesia; Thayeb, A., Pediatric Surgery Division, Department of Surgery, Faculty of Medicine, Universitas Indonesia/Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Meildi, M., Department of Surgery, Faculty of Medicine, Universitas Syiah Kuala/Dr. Zainoel Abidin Hospital, Banda Aceh, Indonesia; Hutagalung, M.B.Z., Department of Surgery, Faculty of Medicine, Universitas Syiah Kuala/Dr. Zainoel Abidin Hospital, Banda Aceh, Indonesia