1 Division of Hematology-Oncology, UCLA-Greater Los Angeles VA Healthcare Center and Jonsson Comprehensive Cancer Center, VA West LA Hospital/Hematology-Oncology, W111H, West LA VA Hospital, Los Angeles, CA, USA.
2 Division of Hematology-Oncology, UCLA-Greater Los Angeles VA Healthcare Center and Jonsson Comprehensive Cancer Center, VA West LA Hospital/Hematology-Oncology, W111H, West LA VA Hospital, Los Angeles, CA, USA. Alan.lichtenstein@med.va.gov.