Publication stageIn Press Journal Pre-Proof
Funding sources: The study was supported by a research grant from the French Society of Dermatology.
Conflicts of Interest: Catherine Droitcourt has received Honoria from Sanofi-Genzyme. Ida Vittrup has received salary from a research grant from Regeneron Pharmaceuticals. Sandrine Kerbrat: none to declared. Alexander Egeberg has received research funding from Pfizer, Eli Lilly, the Danish National Psoriasis Foundation, and the Kgl Hofbundtmager Aage Bang Foundation, and honoraria as consultant and/or speaker from AbbVie, Almirall, Leo Pharma, Samsung Bioepis Co., Ltd., Pfizer, Eli Lilly and Company, Novartis, Galderma, Dermavant, Bristol-Myers Squibb, Mylan, UCB, and Janssen Pharmaceuticals. Jacob Thyssen has attended advisory boards for Sanofi-Genzyme, Regeneron, LEO Pharma, Union Therapeutics, Pfizer, AbbVie and Eli Lilly & Co, and received speaker honorarium from LEO Pharma, Regeneron, Abbvie and Sanofi-Genzyme, and been an investigator for Sanofi-Genzyme, Eli Lilly & Co, LEO Pharma, Pfizer and AbbVie.