1Sahlgrenska University Hospital/Östra, Gothenburg, Sweden
2Aarhus University Hospital, Aarhus, Denmark
3Medical University of South Carolina, Charleston
4Institute of Experimental Oncology and Therapy Research, Technical University of Munich, Munich, Germany
5Leiden University Medical Center, Leiden, The Netherlands.
6Thrombosis Research Institute, and Barts and the London School of Medicine, London
7Bayer HealthCare, Wuppertal, Germany
8University of Toronto, Toronto