1. Department of Child Health, Faculty of Medicine, Universitas Padjadjaran, Bandung 40161, Indonesia
2. Faculty of Medicine, Universitas Padjadjaran, Bandung 40161, Indonesia
3. Department of Public Health, Faculty of Medicine, Universitas Padjadjaran, Bandung 40161, Indonesia
4. Department of Biomedical Science, Faculty of Medicine, Universitas Padjadjaran, Bandung 40161, Indonesia
5. Faculty of Medicine, President University, Bekasi 17550, Indonesia