Ahmedz Widiasta Department of Child Health, Faculty of Medicine, Universitas Padjadjaran/Dr. Hasan Sadikin General Hospital Bandung Indonesia
Kurnia Wahyudi Department of Public Health, Faculty of Medicine, Universitas Padjadjaran Indonesia
Dedi Rachmadi Department of Child Health, Faculty of Medicine, Universitas Padjadjaran/Dr. Hasan Sadikin General Hospital Bandung Indonesia