Department of Internal Medicine, Section on Hematology/Medical Oncology, Wake Forest University Baptist Medical Center, Winston-Salem, NC, USA. Analysis Group, Inc ., Boston, MA, USA. Global Market Access Hematology, Bayer Consumer Care AG, Basel, Switzerland. US Data Generation and Observational Studies, Bayer Corporation, Whippany, NJ, USA. Department for Internal Medicine - Vascular Medicine and Coagulation Disorders, Vivantes Klinikum im Friedrichshain, Berlin, Germany.