1. Asthma Center and Allergy Unit, Department of Medicine University and Integrated University Hospital of Verona Verona Italy
2. Rheumatology Unit, Department of Medicine University of Verona and Verona University Hospital Verona Italy
3. Nephrology Unit University of Brescia, Azienda Socio Sanitaria Territoriale Spedali Civili Brescia Italy
4. Department of Internal Medicine, U.O. Rheumatology University of Pisa Pisa Italy
5. Department of Experimental and Clinical Medicine University of Florence Florence Italy
6. Respiratory Diseases Unit, Department of Medicine, Surgery and Neurosciences University of Siena Siena Italy
7. Rheumatology Unit, Department of Medicine, Surgery and Neurosciences University of Siena Siena Italy
8. Coordinating Reference Center for Rare Pulmonary Diseases Louis Pradel Hospital, University of Lyon, INRAE Lyon France
9. Department of Clinical and Experimental Medicine University of Catania Catania Italy
10. Respiratory Medicine Unit AOU Policlinico “G. Rodolico‐San Marco” Catania Italy
11. Unit of Immunology, Rheumatology, Allergy and Rare Diseases Vita‐Salute San Raffaele University and San Raffaele Hospital Milan Italy
12. Department of Internal Medicine and Therapeutics University of Pavia Pavia Italy
13. Division of Rheumatology Fondazione IRCCS Policlinico San Matteo Pavia Italy
14. Departement of Internal Medicine CHU Grenoble‐Alpes Grenoble France
15. Division of Rheumatology, Department of Internal Medicine Vasculitis Research Center, Hacettepe University School of Medicine Ankara Turkey
16. Department of Autoimmune Diseases Hospital Clínic, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona Barcelona Spain
17. Allergy Unit and Asthma Center Verona University Hospital Verona Italy
18. Tareev Clinic of Internal Diseases Sechenov First Moscow State Medical University Moscow Russia
19. Division of Rheumatology, Department of Medicine University of Padova Padova Italy
20. Service de Médecine Interne et Immunologie Clinique CHU Rangueil Toulouse France
21. Respiratory Diseases Department Rare Pulmonary Diseases Reference Centre, Bichat Hospital, Paris Cité University Paris France
22. Rheumatology and Clinical Immunology Unit ASST Spedali Civili Brescia Brescia Italy
23. Nephrology and Dialysis Unit Meyer Children's University Hospital ‐ IRCCS Firenze Italy
24. Department of Biomedical, Experimental and Clinical Sciences “Mario Serio” University of Firenze Firenze Italy
25. Centre for Inflammatory Diseases, Monash University Department of Medicine Monash Medical Centre Clayton Victoria Australia