1. University Clinical Center of Serbia
2. University of Belgrade, Faculty of Medicine, Belgrade, Serbia
3. Sorbonne University, INSERM, UMR_S 938, Research Group “Cancer, Biology and Therapeutics - Cancer, Haemostasis, Angiogenesis” Centre de recherche Saint-Antoine (CRSA), Institut Universitaire de Cancérologie, Paris, France
4. Department of Cardiovascular Diseases, Zagreb University Hospital Centre, School of Medicine, Croatia
5. Vascular Unit of 3rd Internal Medicine Department of the University of Athens-Sotiria General Hospital, Athens, Greece
6. Medical Clinic No. 1, University of Medicine and Pharmacy, Cluj-Napoca, Romania
7. Faculty of Medicine, University of Nis, Serbia
8. Service of Vascular Surgery, University Hospital Center “Mother Theresa” of Tirana, Albania
9. University Clinic for Oncology and Radiotherapy, Faculty of Medicine, Ss Cyril and Methodius University of Skopje, Republic of North Macedonia
10. University Medical Centre Ljubljana, Department for Vascular Diseases, Ljubljana, Slovenia
11. University of Medicine and Pharmacy “Carol Davila” Bucharest, Ponderas Academic Hospital Bucharest, Cardiology Department, Romania
12. Clinical Center Banja Luka, Bosnia and Hercegovina
13. University Clinic for Orthopedic Diseases, Medical Faculty, University “Ss. Cyril and Methodius” Skopje, Republic of North Macedonia
14. Department Anaesthesia and Intensive Care, 4th City Hospital, Sofia, Bulgaria
15. Department of Angiology, University Medical Centre, Ljubljana, Slovenia
16. Sorbonne University, INSERM, UMR_S 938, Research Group "Cancer, Biology and Therapeutics - Cancer, Haemostasis, Angiogenesis" Centre de recherche Saint-Antoine (CRSA), Institut Universitaire de Cancõrologie, Paris, France