1. Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University, Atlanta, GA;
2. Department of Pathophysiology, Key Laboratory of Cell Differentiation and Apoptosis, National Ministry of Education, Shanghai Jio Tong University School of Medicine, Shanghai, China; and
3. Department of Pathology and Laboratory Medicine/Center for Transfusion and Cell Therapy, Emory University, Atlanta, GA