[1] Univ Halle Wittenberg, PGS Wittenberg Acad Teaching Hosp, D-06886 Wittenberg, Germany
[2] Univ Klinikum Saarlandes, Homburg, Germany
[3] Tan Tock Seng Hosp, Singapore, Singapore
[4] North Karelia Cent Hosp, Joensuu, Finland
[5] Herzzentrum Ludwigshafen, Ludwigshafen, Germany
[6] Univ Hosp Ulm, Ulm, Germany
[7] Dokkyo Med Univ, Koshigaya Hosp, Koshigaya, Saitama, Japan
[8] NNUH, Norwich, Norfolk, England
[9] Charite Univ Med Berlin, Berlin, Germany
[10] Ist Sci San Raffaele, Cardiothorac Vasc Dept, Intervent Cardiol Div, Milan, Italy
[11] Rabin Med Ctr, Petah Tiqwa, Israel