Insani N.D., Department of Child Health, Fatmawati General Hospital, Jakarta, Indonesia; Rohsiswatmo R., Faculty of Medicine, Universitas Indonesia/Dr. Cipto Mangunkusumo General Hospital, Jakarta, Indonesia; Sjarif D.R., Faculty of Medicine, Universitas Indonesia/Dr. Cipto Mangunkusumo General Hospital, Jakarta, Indonesia; Marsubrin P.M.T., Faculty of Medicine, Universitas Indonesia/Dr. Cipto Mangunkusumo General Hospital, Jakarta, Indonesia; Yuliarti K., Faculty of Medicine, Universitas Indonesia/Dr. Cipto Mangunkusumo General Hospital, Jakarta, Indonesia; Gultom L.C., Department of Child Health, Fatmawati General Hospital, Jakarta, Indonesia