1. Department of Child Health, Universitas Indonesia - Cipto Mangunkusumo Hospital, Jakarta, Indonesia
2. School of Medicine, University of Nottingham, Nottingham, United Kingdom
3. Medical Technology Cluster, Indonesian Medical Education and Research Institute (IMERI), Universitas Indonesia, Jakarta, Indonesia
4. Bina Husada Hospital (Member of Mitra Keluarga), Bogor, Indonesia
5. Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia