1. Department of Internal Medicine, University of Missouri-Kansas City, Kansas City, MO, USA
2. Department of Internal Medicine, Division of Hematology-Oncology, Mayo Clinic Florida, Jacksonville, FL, USA
3. Department of Internal Medicine, Division of Hematology-Oncology, Hospital Israelita Albert Einstein, Sao Paulo, SP, Brazil
4. Department of Internal Medicine, Division of Hematology-Oncology, Mayo Clinic Arizona, Phoenix, AZ, USA