1. From the Center for Thrombosis and Hemostasis University Medical Center Mainz Mainz Germany
2. Department of General Medicine Hospital of Sondrio Sondrio Italy
3. Thrombosis and Hemostasis Center Humanitas Research Hospital and Humanitas University Rozzano Italy
4. Department of Physical and Rehabilitation Medicine "Villa Salus" Hospital Mestre Italy
5. Institute of Neurology Catholic University of the Sacred Heart and Institute of Neurology Fondazione Policlinico A. Gemelli IRCCS Rome Italy
6. Department of Emergency Medicine San Giovanni Calibita Fatebenefratelli HospitalAFAR Rome Italy
7. Department of Clinical Sciences Division of Infection Medicine Lund University Lund Sweden
8. Department of ENT, Head and Neck Surgery InselspitalUniversity of Bern Bern Switzerland
9. Department of ENT, Head and Neck Surgery University Hospital of Grenoble Grenoble France
10. Department of Otolaryngology‐Head and Neck Surgery AHEPA HospitalAristotle University of Thessaloniki Thessaloniki Greece
11. Institute for Medical Biostatistics, Epidemiology, and Informatics (IMBEI) Department of Biometry and Bioinformatics University Medical Center Mainz Mainz Germany
12. Clinic of Angiology University Hospital Zurich Zurich Switzerland
13. Department of Vascular Medicine and Hemostasis University Hospitals Leuven Leuven Belgium
14. Department of Medicine and Ageing Sciences University G. D'Annunzio of Chieti‐Pescara Chieti Italy
15. Huntsville Regional Medical CampusUniversity of Alabama Birmingham School of Medicine Birmingham AL USA
16. Department of Cardiology Democritus University of Thrace Alexandroupolis Greece
17. Department of Internal Medicine IRCCS Policlinico San Matteo Foundation and University of Pavia Pavia Italy