Affiliation: | 1. Alzheimer''s Disease Center, Chair of Neurophysiopathology, Institute of Neurology, University of Cagliari, Via Ospedale 46, 09124 Cagliari, Italy;2. Gastroenterology Department, Monserrato Universitary Hospital, Cagliari, Italy;3. Institute of Neurology, University of Cagliari, Cagliari, Italy |