[1] Univ Milan, IRCCS San Donato Hosp, Dept Med Sci, I-20097 Milan, Italy
[2] Univ Leipzig, Heart Ctr Leipzig, Dept Cardiol, Leipzig, Germany
[3] Univ Antwerp Hosp, Dept Cardiol, Edegem, Belgium
[4] Tech Univ Munich, Dept Prevent & Sports Med, Munich, Germany
[5] S Maugeri Fdn IRCCS, Exercise Pathophysiol Lab, Cardiac Rehabil Div, Sci Inst Veruno, Veruno, NO, Italy
[6] KU Leuven UNiv Leuven, Res Ctr Cardiovasc & Resp Rehabil, Dept Rehabil Sci, Louvain, Belgium
[7] Univ New Mexico, Sch Med, Dept Orthopaed & Rehabil, Div Phys Therapy, Albuquerque, NM 87131 USA
[8] Univ New Mexico, Sch Med, Dept Internal Med, Div Cardiol, Albuquerque, NM 87131 USA
[9] Mayo Clin, Coll Med, Jacksonville, FL 32224 USA
[10] Brigham & Womens Hosp, Div Cardiovasc Med, Boston, MA 02115 USA
[11] Wake Forest Sch Med, Dept Med, Cardiol Sect, Winston Salem, NC USA
[12] Univ Queensland, Sch Med, Dept Cardiovasc Dis, John Ochsner Heart & Vasc Inst,Ochsner Clin Sch, New Orleans, LA USA
[13] Louisiana State Univ Syst, Pennington Biomed Res Ctr, Baton Rouge, LA USA