Sari T.T., Department of Pediatrics Hematology-Oncology, Cipto Faculty of Medicine, Universit/Faculty of Medicine, University of Indonesia, Jakarta, Indonesia; Wahidiyat P.A., Department of Pediatrics Hematology-Oncology, Cipto Faculty of Medicine, Universit/Faculty of Medicine, University of Indonesia, Jakarta, Indonesia; Rahmartani L.D., Department of Pediatrics Hematology-Oncology, Cipto Faculty of Medicine, Universit/Faculty of Medicine, University of Indonesia, Jakarta, Indonesia; Iskandar S.D., Department of Pediatrics Hematology-Oncology, Cipto Faculty of Medicine, Universit/Faculty of Medicine, University of Indonesia, Jakarta, Indonesia; Putri I.A., Department of Pediatrics Hematology-Oncology, Cipto Faculty of Medicine, Universit/Faculty of Medicine, University of Indonesia, Jakarta, Indonesia