1 Division of Hematology and Oncology, Edwards Comprehensive Cancer Center at Cabell Huntington Hospital, Marshall University, School of Medicine, 1400 Hal Greer Blvd, Huntington, WV, 25701, USA. drkhelfa@gmail.com.
2 Division of Hematology and Oncology, Edwards Comprehensive Cancer Center at Cabell Huntington Hospital, Marshall University, School of Medicine, 1400 Hal Greer Blvd, Huntington, WV, 25701, USA.