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Article History

Received: 5 December 2018

Revised: 19 February 2019

Accepted: 1 March 2019

First Online: 13 March 2019

Compliance with ethical standards

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: A Duvetorp has received grants from Philips and AbbVie and personal fees from Celgene and Lilly. M Østergaard has received grants from AbbVie and BMS, and personal fees and/or non-financial support from AbbVie, BMS, Boehringer Ingelheim, Lilly, Janssen, Merck, Pfizer, Roche, UCB, Celgene, Sanofi, Regeneron, and Novartis. L Skov has received grants from Pfizer, AbbVie, Novartis and Janssen and has served as a consultant and/or paid speaker for and/or participated in clinical trials sponsored by AbbVie, Janssen, Celgene, Novartis, Sanofi, Lilly, Leo Pharma, and Almirall. O Seifert has served as a consultant or paid speaker for, or received grants or travel support from AbbVie, Novartis, Pfizer, Almirall, and Leo Pharma. KS Tveit has served as a consultant or lecturer for, or received travel support from AbbVie, Novartis, Almirall, Orion, Jansen, Mundifarma, Pfizer, Serona, Shire, Boehringer Ingelheim, and Celgene. K Danielsen has served as a consultant or lecturer for, or received travel support from Galderma, AbbVie, Novartis, Almirall, Meda Pharma, and Celgene. L Iversen has received grants from AbbVie, Pfizer, and Novartis, and has served as a consultant and/or paid speaker for and/or participated in clinical trials sponsored by AbbVie, Almirall, Amgen, Celgene, Centocor, Lilly, Janssen-Cilag, Leo Pharma, MSD, Novartis, Pfizer, and UCB.

: The survey was conducted in Sweden, Denmark, and Norway by the international market research firm YouGov between November and December 2015, following the International Chamber of Commerce (ICC)/European Society for Opinion and Marketing Research (ESOMAR) International Code on Market, Opinion and Social Research and Data Analytics. The survey was conducted in accordance with the ethical standards required in each participating country.