1. Department of Child Health, Dr. Cipto Mangunkusumo Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
2. Department of Child Health, Dr. Kariadi Hospital, Faculty of Medicine, Universitas Diponegoro, Semarang, Indonesia
3. Department of Child Health, Dr. Hasan Sadikin General Hospital, Bandung, Faculty of Medicine, Universitas Padjajaran, West Java, Indonesia
4. Department of Child Health, Tangerang General Hospital, Banten, Indonesia
5. Department of Child Health, Dr. Sardjito Hospital, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia
6. Department of Child Health, Dr. Saiful Anwar Hospital, Faculty of Medicine, Universitas Brawijaya, Malang, Indonesia
7. Department of Child Health, H. Adam Malik General Hospital, Faculty of Medicine, Universitas Sumatera Utara, Medan, Indonesia
8. Department of Child Health, Dr. Moh. Hoesin General Hospital, Faculty of Medicine, Universitas Sriwijaya, Palembang, Indonesia
9. Department of Child Health, Dr. Moewardi Hospital, Faculty of Medicine, Universitas Sebelas Maret, Surakarta, Indonesia
10. Department of Child Health, Dr. Soetomo General Hospital, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia
11. Department of Clinical Pathology, Dr. Cipto Mangunkusumo Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia