1 Department of Dermatology and Laboratory of Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai, 5 East 98th Street, New York, NY, 10029, USA.
2 SUNY Downstate College of Medicine, Brooklyn, NY, USA.
3 Department of Dermatology, University Hospital Zurich, Zurich, Switzerland.
4 Department of Dermatology and Laboratory of Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai, 5 East 98th Street, New York, NY, 10029, USA. emma.guttman@mountsinai.org.