1. Ronald O. Perelman Department of Dermatology NYU Grossman School of Medicine New York NY USA
2. Dermatology Unit – IRCCS Azienda Ospedaliero-Universitaria di Bologna Bologna Italy
3. Department of Experimental, Diagnostic and Specialty Medicine, Alma Mater Studiorum University of Bologna Bologna Italy
4. The Dermatology Centre Salford Royal Hospital Manchester UK
5. Department of Dermatology Emory University School of Medicine Atlanta GA USA