1. Heart Institute; Hillel Yaffe Medical Center; PO Box 169 Hadera 38100 Israel, Rappaport School of Medicine, Technion, Haifa, Israel
2. Department of Cardiology; Duke University Medical Center; Durham NC USA
3. Cardiovascular Institute, Sackler Faculty of Medicine; Wolfson Medical Center, Holon, Tel-Aviv University; Tel-Aviv Israel
4. Cardiology Department; University Medical Center; Beer-Sheva Israel
5. Department of Medicine (Cardiology); George Washington University School of Medicine and Health Sciences; Washington DC USA
6. Department of Cardiology; The Ohio State University; Columbus OH USA