1. Department of Clinical and Experimental Medicine University of Messina Messina Italy
2. Sezione di Dermatologia, Dipartimento di Scienze Mediche Università degli Studi di Ferrara Ferrara Italy
3. Dermatology Section, Department of Medicine University of Perugia Perugia Italy
4. Department of Health Sciences University Magna Graecia of Catanzaro Catanzaro Italy
5. Department of Health Sciences "V. Tiberio" University of Molise Campobasso Italy
6. IRCCS Istituto Ortopedico Galeazzi, Department of Biomedical, Surgical and Dental Sciences University of Milan Milan Italy
7. Section of Dermatology ‐ Department of Health Sciences University of Genoa, Ospedale Policlinico San Martino – IRCCS Genoa Italy
8. UOSD Dermatologia MST, Ambientale, Tropicale e Immigrazione, Istituto Dermatologico San Gallicano (IRCCS) Rome Italy
9. Section of Dermatology, Department of Biomedical Science and Human Oncology University of Bari Bari Italy
10. Clinica Dermatologica, Dipartimento di Scienze Cliniche e Molecolari Università Politecnica delle Marche Ancona Italy
11. Section of Dermatology and Venereology, Department of Medicine University of Verona Verona Italy
12. Allergological and Occupational Dermatology Unit, Department of Health Sciences AUTC and University of Florence Florence Italy
13. Dermatology Clinic University of Catania, PO G. Rodolico, AOU Policlinico‐Vittorio Emanuele Catania Italy
14. Dermatologic clinic, University Hospital S. Giovanni di Dio Cagliari Italy