1. Physical and Rehabilitation Medicine Unit, Istituti Clinici Scientifici Maugeri IRCCS, Tradate (VA)
2. Bioengineering Unit, Istituti Clinici Scientifici Maugeri IRCCS
3. Cardiological Department, Istituti Clinici Scientifici Maugeri IRCCS, Veruno (NO), Italy
4. Department of Physical and Rehabilitation Medicine, Hacettepe University Medical School, Ankara, Turkey