1. Department of Dermatology University Hospital of Nice Nice France
2. Department of Dermatology University of Rome Tor Vergata Rome Italy
3. Department of Dermatology Szpital Specjalistyczny im.S. Żeromskiego Os. Na Skarpie Krakow Poland
4. Department of Dermatology Prywatny Gabinet Dermatologiczny Wrocław Poland
5. Clinica Dermatologica Azienda Ospedaliera papa Giovanni XXIII Centro Studi GISED Bergamo Italy
6. R & D Department IBSA, Institut Biochimique S.A. Via del Piano Pambio‐Noranco Switzerland