1. From Catholic University of the Sacred Heart, Rome, Italy; Teaching Nursing Home, Santa Maria della Pace, Catholic University of the Sacred Heart, Fontecchio, Italy; Institute of Neurobiology and Molecular Medicine, National Research Council, Rome, Italy; J. Paul Sticht Center on Aging and Rehabilitation, Wake Forest UniversityBaptist Medical Center, Winston-Salem, North Carolina; and Bietti Foundation, Campus Biomedico University, Rome, Italy.