[1] AUSL Piacenza, Guglielmo da Saliceto Hosp, Cardiol Unit, Piacenza, Italy
[2] Fdn Salvatore Maugeri, IRCCS Sci Inst Veruno, Dept Cardiol, Pavia, Italy
[3] Hosp Santa Marta, Dept Cardiol, Lisbon, Portugal
[4] Queens Univ Belfast, UKCRC Ctr Excellence Publ Hlth Res, Dept Gen Practice, Belfast BT7 1NN, Antrim, North Ireland
[5] Acad Athens, Biomed Res Fdn, Cardiovasc Res Lab, Athens, Greece
[6] Univ York, Dept Hlth Sci, York YO10 5DD, N Yorkshire, England
[7] Med Univ Innsbruck, A-6020 Innsbruck, Austria
[8] Hosp Univ Leon, Serv Cardiol, Leon, Spain
[9] Inst Herzinfarktforsch Ludwigshafen, D-67063 Ludwigshafen, Germany
[10] Univ Naples Federico II, Dept Translat Med Sci, Naples, Italy
[11] Univ Potsdam, Rehabil Res Ctr, Potsdam, Germany
[12] Univ Hosp Bern, Unit Cardiovasc Prevent & Rehabil, Dept Cardiol, Bern, Switzerland
[13] Univ Bern, CH-3012 Bern, Switzerland
[14] Fdn Toscana G Monasterio, Pisa, Italy