Bibliografisk note

Funding Information:
Conflicts of interest: H.C.R. has received research funding from the Kgl Hofbundtmager Aage Bang Foundation and honoraria as speaker from LEO Pharma. S.F.T. has been a speaker and/or served on advisory boards for AbbVie, Almirall, Eli Lilly, Janssen, LEO Pharma, Novartis, Pfizer, Sanofi and UCB, and has received research support from AbbVie, Janssen, LEO Pharma, Novartis, Sanofi and UCB.