1. Department of Internal Medicine, Istituto Auxologico Italiano IRCCS, Piancavallo, 28824 Verbania, Italy
2. Clinical Psychology, Istituto Auxologico Italiano IRCCS, Piancavallo, 28824 Verbania, Italy
3. Department of Medical Sciences and Rehabilitation, Istituto Auxologico Italiano IRCCS, 20145 Milan, Italy
4. Neurology, Public Health and Disability Unit, Neurological Institute C. Besta IRCCS Foundation, 20133 Milan, Italy