,
Weijers, Julia M. https://orcid.org/0000-0001-9756-9639
Semb, Anne G. https://orcid.org/0000-0003-2730-2853
Rollefstad, Silvia https://orcid.org/0000-0002-6713-3241
Kitas, George D. https://orcid.org/0000-0002-0828-6176
van Riel, Piet L. C. M. https://orcid.org/0000-0001-7719-8906
Article History
Received: 22 December 2019
Accepted: 8 February 2020
First Online: 22 February 2020
Compliance with ethical standards
:
: JW, SR, GK and PR declare that they have no conflict of interest. AS received personal fees as speaker honoraria/consulting fees from Merck/Schering-Plough, AbbVie, Bayer, UCB, Novartis, BMS, Lilly, Sanofi Aventis, and Lilly, and unrestricted collaboration research grant to Diakonhjemmet Hospital from Lilly.