1. From IRCCS San Raffaele Pisana (M.F.), Rome, Italy; the Department of Clinical & Experimental Medicine, Division of Physical & Rehabilitative Medicine (S.C., C.C.), University of Eastern Piedmont “A. Avogadro,” Novara, Italy; the Department of Rehabilitative Medicine (M.A.), University Hospital Parma, Parma, Italy; the Rehabilitation Unit (R.A.), Piacenza and Borgonovo Valtidone Hospital, Italy; and the Rehabilitation Unit (D.M.), S. Francesco Clinic, Bergamo, Italy.