1. Respirology Division, Department of Child Health, Faculty of Medicine, Universitas Padjadjaran, Hasan Sadikin General Hospital, Pasteur 38, Bandung, West Java 40161, Indonesia
2. Nephrology Division, Department of Child Health, Faculty of Medicine, Universitas Padjadjaran, Hasan Sadikin General Hospital, Pasteur 38, Bandung, West Java 40161, Indonesia
3. Urology Department, Department of Child Health, Faculty of Medicine, Universitas Padjadjaran, Hasan Sadikin General Hospital, Pasteur 38, Bandung, West Java 40161, Indonesia