1. Physical and Rehabilitation Medicine, Department of Health Sciences, University of Eastern Piedmont “A. Avogadro”, Novara, Italy
2. Rehabilitation Unit, ‘Mons. L. Novarese’ Hospital, Moncrivello, Vercelli, Italy
3. Physical and Rehabilitation Medicine Unit, University Hospital “Maggiore della Carità”, Novara, Italy
4. Department of Surgical Sciences, Specialization School of Orthodontics, Dental School, University of Turin, Turin, Italy
5. Dental Clinic, Department of Health Sciences, University of Eastern Piedmont ‘A. Avogadro’, Novara, Italy