1 Department of Cardiovascular, Respiratory, Aenesthesiological and Geriatric Sciences "Sapienza" University of Rome, Viale del Policlinico 155, Rome, 00161, Italy. marcoval.mariani@gmail.com.
2 Department of Cardiovascular, Respiratory, Aenesthesiological and Geriatric Sciences "Sapienza" University of Rome, Viale del Policlinico 155, Rome, 00161, Italy.
3 Clinical and Rehabilitation Cardiology Division, San Filippo Neri Hospital, Rome, Italy.
4 Department of Internal Clinical, Anesthesiological and Cardiovascular Sciences "Sapienza" University of Rome, Rome, 00185, Italy.