1. Cardiology Department, Galilee Medical Center, PO Box 21, Nahariya, Israel
2. Azrieli Faculty of Medicine, Bar Ilan University, Henrietta Szold 8, Safed, Israel
3. Cardiac Surgery Department, Rambam Healthcare Campus, HaAliya HaShniya 8, PO Box 9602, Haifa, Israel
4. Rappaport Faculty of Medicine, Technion, Efron 1, Haifa, Israel