1Department of Internal Medicine,The University of Iowa, Roy J. and Lucille A. Carver College of Medicine, Iowa City, IA 52242, USA 2Myeloma Institute for Research andTherapy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA 3State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Science & Peking Unio...