1. Department of Medical Sciences, University of Ferrara, Ferrara, Italy.
2. Clinica Medica Unit, Azienda Ospedaliera-Universitaria, Ferrara, Italy.
3. Instituto Maimonides de Investigacion Biomedica de Cordoba, University of Cordoba, Cordoba, Spain.
4. Department of Biomedical and Surgical Specialties Sciences, University of Ferrara, Ferrara, Italy.
5. Rehabilitation Medicine Unit, Azienda Ospedaliera-Universitaria, Ferrara, Italy.