1. Clinic of Angiology University Hospital Zurich Zurich Switzerland
2. Center for Thrombosis and Hemostasis University Medical Center Mainz Mainz Germany
3. Department of Clinical, Integrated and Experimental Medicine (DIMES) Alma Mater Studiorum University of Bologna Bologna Italy
4. Department of Pneumology and Respiratory Intensive Therapy Unit St Orsola University Hospital Bologna Italy
5. Department of General Medicine Hospital of Sondrio Sondrio Italy
6. Thrombosis and Haemorrhagic Diseases Center Humanitas Clinical and Research Center‐IRCCS Milan Italy
7. Department of Clinical Sciences Division of Infection Medicine Skåne University Hospital Lund University Lund Sweden
8. Department of ENT, Head and Neck Surgery University Hospital of Grenoble Grenoble France
9. Department of Internal Medicine IRCCS Policlinico San Matteo Foundation and University of Pavia Pavia Italy
10. Department of Ophthalmology University Hospital Zurich Zurich Switzerland
11. University of Zurich Zurich Switzerland