1. Department of Medicine and Surgery, University of Parma, Via Antonio Gramsci 14, 43126 Parma, Italy
2. Geriatric-Rehabilitation Department, Azienda Ospedaliero-Universitaria di Parma, Via Antonio Gramsci 14, 43126 Parma, Italy
3. Microbiome Research Hub, University of Parma, Via delle Scienze 7, 43124 Parma, Italy
4. National Research Council, Neuroscience Institute, Via Giustiniani 2, 35128 Padova, Italy