1. Division of Rheumatology, Department of Medicine-DIMED, Padova University Hospital, Padova, Italy
2. Rhumatologie, Hôpital Cochin, APHP, Université de Paris, Paris, France
3. Department of Internal Medicine and Rheumatology, Justus‐Liebig University Giessen, Bad Nauheim, Germany
4. Internal Medicine Unit, Ospedale Classificato Villa Salus, Venice, Italy
5. Department of Rheumatology, Oslo University Hospital, Oslo, Norway
6. Ancona, Università Politecnica Delle Marche, Italy
7. Department of Rheumatology, University Hospital Zurich, Zurich, Switzerland
8. Department of Experimental and Clinical Medicine, Division of Rheumatology, University of Florence, Florence, Italy