1. Department of Clinical Neurosciences, Villa San Benedetto Menni, Hermanas Hospitalarias, FoRiPsi, Como, Italy
2. Humanitas Clinical and Research Center, Rozzano (Milan), Italy
3. Rheumatology Unit, Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
4. Trauma and Orthopedic Unit, Santissima Trinità Hospital, Cagliari, Italy
5. Research Institute of Mental Health and Neuroscience and Department of Psychiatry and Neuropsychology, Faculty of Health, Medicine and Life Sciences, University of Maastricht, Maastricht, The Netherlands
6. Department of Psychiatry and Behavioral Sciences, Leonard Miller School of Medicine, University of Miami, Miami, FL, USA
7. Department of Rheumatology, ASST Fatebenefratelli-Sacco, Milan, Italy