Conflicts of interest Dr Pereira is an investigator for Allakos, Celldex Therapeutics, Escient, Incyte and Sanofi; has received consulting fees from Almirall, Galderma, Incyte and Sanofi; and has received speaker honoraria and/or travel fees from AbbVie, Beiersdorf, Celltrion, CSL Behring, Doctorflix, Eli Lilly, Falk Foundation, FomF GmbH, GA(2)LEN, Galderma, Novartis, P.G. Unna Academy, Sanofi, StreamedUP, TouchMDT, and Zai Lab. Dr Ständer was speaker and/or consultant and/or investigator and/or has received research funding from Almirall S. A., Amgen Inc, Amgen Europe GmbH, Celldex Therapeutics Inc, Clexio Biosiences Ltd, Focus-Insight Healthtech Group Co Ltd, Galderma Laboratorium GmbH, Galderma R&D LLC, Galderma S.A., GSK R&D Ltd, Incyte Corporation, Klirna Biotech Inc, Leo Pharma, Lilly Deutschland GmbH, Novartis Pharma GmbH, Sanofi-Aventis Deutschland GmbH, Sanofi-Aventis R&D, Sanofi Genzyme Corporation, TouchIME, Vifor Pharma Deutschland GmbH P. G. Unna Academy. Dr Yosipovitch serves as an advisory board member for Abbvie, Arcutis, Amgen, Celldex, GSK, Eli Lilly, Galderma, Kiniksa Pharmaceuticals, LEO Pharma, Novartis, Pfizer, Pierre Fabre, Maruho, Regeneron Pharmaceuticals, Inc, Sanofi, Clexio, and Vifor; Dr Yosipovitch receives grants/research funding from Sanofi, Sanofi Regeneron Novartis Pfizer, Escient, Celldex, Galderma, Kiniksa, Amgen, and Novartis. Drs Coscarella, Rosen, Goren, Hagai, and Authors Edwards, Singer, Eyal, and Haimson have no conflicts of interest to declare.