Johns, Jeffrey https://orcid.org/0000-0002-1628-4306
Salek, Sam
Ali, Faraz
Dalgard, Florence
Kupfer, Jörg
Finlay, Andrew Y.
Article History
Received: 13 June 2025
Accepted: 12 February 2026
First Online: 24 February 2026
Declarations
:
: No ethical approval was required for this additional data analysis.
: All authors have consented to publication of the submitted manuscript.
: Andrew Y Finlay is joint copyright owner of the DLQI. Cardiff University receives royalties from some use of the DLQI: AYF receives a proportion of these under standard university policy. Sam Salek has received an unrestricted educational grant from GSK, is a consultant for Novo Nordisk and produces educational materials for Abbvie. Faraz Ali has received honorariums from Abbvie, Janssen, LEO pharmaceuticals, Lilly pharmaceuticals, L’Oreal, Novartis and UCB. Faraz Ali and Jeffrey Johns’ department receives income from royalties from the DLQI and related instruments.