1 Department of Hematology and Bone Marrow Transplantation Center, Ankara Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey.
2 Department of Hematology, Kayseri Training and Research Hospital, University of Health Sciences, Kayseri, Turkey.
3 Division of Hematology, Department of Internal Medicine, School of Medicine, Namık Kemal University, Tekirdağ, Turkey.
4 Division of Hematology, Department of Internal Medicine, School of Medicine, Yıldırım Beyazıt University, Ankara, Turkey.