[1] Italian Natl Olympic Comm, Natl Inst Sport Med, I-00197 Rome, Italy
[2] Katholieke Univ Leuven, Cardiovasc Rehabil Unit, Louvain, Belgium
[3] Haukeland Hosp, Dept Heart Dis, N-5021 Bergen, Norway
[4] Univ Athens, Div Inherited Cardiovasc Dis, Athens, Greece
[5] Univ Pavia, Dept Anat Pathol, I-27100 Pavia, Italy
[6] Univ Brescia, Dept Cardiol, Brescia, Italy
[7] Sahlgrens Univ Hosp, Dept Med, S-41345 Gothenburg, Sweden
[8] Hop Pontchaillou, Unite Biol & Med Sport, Rennes, France
[9] Univ Padua, Dept Cardiol, Padua, Italy
[10] Univ Padua, Dept Pathol, Padua, Italy
[11] Civil Hosp, Dept Cardiol, Conegliano, Italy
[12] Univ Hosp Munich, Dept Cardiol, Munich, Germany
[13] Univ Hosp Gasthuisberg, B-3000 Louvain, Belgium
[14] Dept Cardiol, Bad Oeynhausen, Germany
[15] Dept Cardiol, Nijmegen, Netherlands
[16] Klin Ulleval Sykehus Oslo, Oslo, Norway
[17] Univ Uppsala Hosp, Dept Cardiol, Uppsala, Sweden
[18] Aristotle Univ Thessaloniki, GR-54006 Thessaloniki, Greece
[19] Wellness Med Ctr, Stockport, Lancs, England
[20] Chaim Sheba Med Ctr, Inst Heart, IL-52621 Tel Hashomer, Israel
[21] Univ Basel Hosp, Div Cardiol, CH-4031 Basel, Switzerland
[22] Bronovo Hosp, Cardiac Rehabil Ctr, The Hague, Netherlands
[23] UCL, Heat Hosp, London, England
[24] Univ Aquila, Dept Cardiol, I-67100 Laquila, Italy
[25] Fdn S Maugeri, Pavia, Italy
[26] Meander Med Ctr, Fondazione S Maugeri, Amersfoort, Netherlands