1. Department of Experimental, Diagnostic and Specialty Medicine – Division of Dermatology University of Bologna Bologna Italy
2. Private Dermatology Practice – Lugano & Bellinzona Bellinzona Switzerland
3. Center for Dermatology and Hair Disease Professor Trüeb Zürich‐Wallisellen Switzerland
4. Dermatology Unit University of Campania Luigi Vanvitelli Naples Italy
5. Department of Dermatology University of Seville Seville Spain
6. Doctor Honoris Causa from University of Cadiz Cadiz Spain
7. State Budget Educational Institution of Additional Professional Education “Russian Medical Academy of Postgraduate Education Studies” of the Ministry of Health of the Russian Federation Moscow Russian Federation
8. Department of Dermatology Medical University of Warsaw Warsaw Poland
9. Instituto de Dermatologia Ignacio Umbert (Private Research Institute) Barcelona Spain
10. Department of Dermatology Sheba Medical Center Ramat Gan Israel
11. Department of Dermatology – Trichology Unit Ramon y Cajal Hospital Madrid Spain
12. Department of Dermatology University of Rome G. Marconi Rome Italy