[1] Hadassah Med Ctr, Dept Cardiol, Jerusalem, Israel
[2] Hebrew Univ Jerusalem, Fac Med, Jerusalem, Israel
[3] Hillel Yaffe Med Ctr, Div Cardiol, Hadera, Israel
[4] Technion, Ruth & Bruce Rappaport Fac Med, Haifa, Israel
[5] Harvard Med Sch, Div Cardiol, Massachusetts Gen Hosp, Boston, MA 02115 USA
[6] Baruch Padeh Med Ctr, Div Cardiovasc Med, Poriya, Israel
[7] Bar Ilan Univ, Azrieli Fac Med Galilee, Safed, Israel
[8] Univ Toronto, Div Cardiol, Schulich Heart Ctr, Sunnybrook Hlth Sci Ctr, Toronto, ON, Canada