1 From the Physical and Rehabilitation Medicine Unit, "Luigi Sacco" University Hospital, A.S.S.T Fatebenefratelli-Sacco, Milan, Italy (VR); Department of Physical Medicine and Rehabilitation, Mubarak Al-Kabeer Hospital, Jabriya, Kuwait (AJA); and Department of Physical and Rehabilitation Medicine, Hacettepe University Medical School, Ankara, Turkey (AJA, LÖ).