1. Division of Hematology and Medical Oncology, Oregon Health and Science University/Knight Cancer Institute, Portland, Oregon, USA
2. Department of Hematology, Aberdeen Royal Infirmary, University of Aberdeen, NHS Grampian, Scotland, UK
3. University College Dublin, Dublin, Ireland
4. Department of Internal Medicine, Interfaith Medical Center, Brooklyn, New York, USA
5. Department of Internal Medicine, Lewis Gale Medical Center, Salem, Virginia, USA
6. Department of Hospital Medicine, The University of Texas M.D. Anderson Cancer Center, Houston, Texas, USA
7. Section of Benign Hematology, The University of Texas M.D. Anderson Cancer Center, Houston, Texas, USA