[1] Columbia Univ Med Cntr, New York, NY USA
[2] Cardiovasc Rsch Fdn, New York, NY USA
[3] Charite Univ Med Campus Benjamin Franklin, Berlin, Germany
[4] Osped Riuniti Bergamo, I-24100 Bergamo, Italy
[5] Med Univ Lodz Bieganski Hosp, Dept Cardiol, Lodz, Poland
[6] LeBauer Cardiovasc Rsch Fdn, Greensboro, NC USA
[7] Moses Cone Hosp, Greensboro, NC USA
[8] Jagiellonian Univ, Krakow, Poland
[9] Tel Aviv Univ, Sackler Fac Med, IL-69978 Tel Aviv, Israel
[10] Univ Hosp Lubeck, Lubeck, Germany