1. Department of Cardiovascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato , Piazza Edmondo Malan 2, 20097 San Donato Milanese, Milan , Italy
2. Department of Cardiology, IRCCS Policlinico San Donato , San Donato Milanese, Milan , Italy
3. Istituti Clinici Scientifici Maugeri IRCCS , Milan , Italy
4. Department of Rehabilitation, IRCCS Policlinico San Donato , San Donato Milanese, Milan , Italy
5. Istituti Clinici Scientifici Maugeri IRCCS, Institute of Montescano , Pavia , Italy