Chandra, Dian Novita, Faculty of Medicine, Universitas Indonesia – Dr. Cipto Mangunkusumo General Hospital, Jl. Salemba Raya No.6, Jakarta, Indonesia Chandra, Dian Novita, Faculty of Medicine, Universitas Indonesia, Dr. Cipto Mangunkusumo Hospital Chandra, Dian Novita, Faculty of Medicine, Universitas Indonesia-Dr. Cipto Mangunkusumo General Hospital Chandra, Dian Novita, Faculty of Medicine, Universitas Indonesia-Dr. Cipto Mangunkusumo Hospital Chandra, Dian Novita, Universitas Indonesia Chandra, Dian Novita, University of Indonesia Cheng, William, Child Health Department, Faculty of Medicine, Universitas Indonesia-Cipto Mangunkusumo Hospital, Jakarta, Indonesia Christabelle, Marie, Faculty of Medicine Universitas Indonesia Christanti, Jessica, Faculty of Medicine, Soegijapranata Catholic University, Semarang, Indonesia Christanti, Jessica, Medical faculty of Soegijapranata Catholic University