1. Liverpool Centre for Cardiovascular Science University of Liverpool and Liverpool Heart & Chest Hospital Liverpool UK
2. 1stDepartment of Cardiology and Angiology Silesian Centre for Heart Diseases Zabrze Poland
3. Cardiology ClinicClinical Centre of Serbia Belgrade Serbia
4. School of Medicine Belgrade University Belgrade Serbia
5. Clinical Center Sestre Milosrdnice Zagreb Croatia
6. Clinic of Cardiology University Hospital Center Mother Theresa Tirana Albania
7. Cardiology ClinicUniversity Clinical Center of MontenegroUniversity of Podgorica, Medical Faculty Podgorica Montenegro
8. National Heart HospitalCoronary Care Unit Sofia Bulgaria
9. Cardiology Department Colentina University Hospital Bucharest Romania
10. Clinic of Internal Medicine Cardiology Department University Clinical Center Tuzla, Medical Faculty Tuzla Bosnia and Herzegovina
11. Medicine University “Carol Davila”Colentina University Hospital Bucharest Romania
12. Aalborg Thrombosis Research Unit Department of Clinical Medicine Aalborg University Aalborg Denmark