1. Internal Vascular and Emergency Medicine – Stroke Unit University of Perugia Perugia Italy
2. Brigham and Womens’s Hospital Harvard Medical School Boston Massachusetts USA
3. Medical Oncology Service Complejo Hospitalario de Toledo (Castilla‐La Mancha) Toledo Spain
4. Department of Pulmonary Circulation Thromboembolic Diseases and Cardiology Centre of Postgraduate Medical Education European Health Centre Otwock Poland
5. Service d’Exploration Vasculaire et de Phlébologie Interventionnelle CHU Dijon Dijon France
6. Guy’s and St Thomas’ NHS Foundation Trust, HospitalKing’s College London London UK
7. Department of Thrombosis and Hemostasis Leiden University Medical Center Leiden the Netherlands
8. Department of Vascular MedicineKlinikum Darmstadt Darmstadt Germany
9. Department of Medicine and Surgery Insubria UniversityASST Settelaghi Varese Italy