1 Department of Pediatric Hematology and Oncology, Izmir City Hospital, Şevket Ince Mahallesi, 2148/11. Sokak, No: 1/11, Bayraklı, Izmir, 35540, Turkey. mehtapertekin35@gmail.com.
2 Department of Pediatric Oncology, Faculty of Medicine, Uludag University, Gorukle Kampusu, Nilufer, Bursa, 16059, Turkey. mehtapertekin35@gmail.com.
3 Department of Pediatric Oncology, Faculty of Medicine, Uludag University, Gorukle Kampusu, Nilufer, Bursa, 16059, Turkey.