1. Departement of Child Health Cipto Mangunkusumo General Hospital Faculty of Medicine Universitas Indonesia Jakarta Indonesia
2. Pediatric Subspecialist Consultant Program, Departement of Child Health Cipto Mangunkusumo General hospital, Faculty of Medicine Universitas Indonesia Jakarta Indonesia
3. Department of Child Health Mohammad Hoesin General Hospital Universitas Sriwijaya Medical School Palembang Indonesia
4. Department of Physical Medicine and Rehabilitation Cipto Mangunkusumo General Hospital, Faculty of Medicine Universitas Indonesia Jakarta Indonesia