1. Belgrade Medical Faculty, Serbia (M.B., S.P.).
2. Cardiology Department (M.B.), University Clinical Center of Serbia, Belgrade.
3. Cardiac Surgery Department (S.P.), University Clinical Center of Serbia, Belgrade.
4. Cardiology Department, Bichat Hospital APHP and Universite Paris Cité, France (B.I.).
5. Cardiovascular Center, OLV Hospital, Aalst, Belgium (J.B.).