1. Division of Pulmonary Rehabilitation, Istituti Clinici Scientifici Maugeri IRCCS, Tradate, Italy.
2. Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan, Italy.
3. Laboratory of Medical Informatics and Artificial Intelligence, Istituti Clinici Scientifici Maugeri IRCCS, Pavia, Italy.
4. Istituti Clinici Scientifici Maugeri IRCCS, Respiratory Rehabilitation of the Institute of Montescano, Montescano, Pavia, Italy.
5. Pulmonary Rehabilitation, Cliniche di Riabilitazione Ente Ospedaliero Cantonale (CREOC), Novaggio, Switzerland.
Study carried out at the Istituti Clinici Scientifici Maugeri, IRCCS, Tradate, Italia.
Correspondence to:
Federico Mattia Oliva. Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132 Milan, Italy
Tel: 39 02 2643-6223. E-mail: oliva.federicomattia@gmail.com
Financial support: This study was partially supported by Ricerca Corrente funding from the Italian Ministry of Health.