1 Division of Rheumatology, Department of Internal Clinical Sciences, Anaesthesiologic and Cardiovascular Sciences, Sapienza University of Rome, Italy. francescaromana.spinelli@uniroma1.it.
2 Rheumatology Unit, Department of Medical Sciences, University of Ferrara, Italy.
3 Unit of Rheumatology, Department of Emergency and Organ Transplantation, University of Bari, Italy.
4 Department of Rheumatology, University of Pisa, Italy.
5 Rheumatology Unit, Department of Medical Sciences and Public Health, University of Cagliari, Italy.
6 Department of Medicine, Surgery and Neurosciences, Rheumatology Unit, University of Siena, Italy.
7 Department of Clinical Sciences and Community Health, Research Center for Adult and Paediatric Rheumatic Diseases, University of Milano, Italy.
8 Division of Rheumatology, Department of Internal Clinical Sciences, Anaesthesiologic and Cardiovascular Sciences, Sapienza University of Rome, Italy.