1. Department of Rheumatology, Hospital of Brunico (SABES-ASDAA), Brunico, Italy
2. Unit of Immunology, Rheumatology, Allergy and Rare Diseases, IRCCS San Raffaele Hospital, Milan, Italy
3. Department of Rheumatology and Clinical Immunology, Charitè University Medicine Berlin, Berlin, Germany
4. Division of Rheumatology, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
5. Professor, Department of Rheumatology, Hospital of Brunico (SABES-ASDAA), Via Ospedale 11, 39031 Brunico, Italy
6. Department of Rheumatology and Immunology, Medical University of Graz, Auenbruggerplatz 15, 8036 Graz, Austria