US Data Generation and Observational Studies, Bayer Corporation, Whippany, NJ, USA. Department of Internal Medicine, Section on Hematology/Medical Oncology, Wake Forest University Baptist Medical Center, Winston-Salem, NC, USA. Department for Internal Medicine - Vascular Medicine and Coagulation Disorders, Vivantes Klinikum im Friedrichshain, Berlin, Germany. Center for Thrombosis and Hemorrhagic Diseases, IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy. HEOR, Creativ-Ceutical, Krakow, Poland. Department of Epidemiology, Epidemiology and Preventive Medicine, Jagiellonian University Medical College, Krakow, Poland. Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, Hannover, Germany. Center for Public Health Research, University of Milan - Bicocca, Monza, Italy. Value-Based Healthcare Unit, IRCCS Multimedica, Sesto San Giovanni, Italy.