Pottegård, Anton
Schmidt, Sigrún Alba Johannesdottir
Olesen, Anne Braae
Achacoso, Ninah
Van Den Eeden, Stephen K
Hallas, Jesper
Sørensen, Henrik Toft
Friis, Søren
Habel, Laurel A
Article History
Received: 26 April 2016
Revised: 20 July 2016
Accepted: 21 July 2016
First Online: 16 August 2016
Competing interests
: LAH reports research support from grants from Takeda, Sanofi, and Genentech to Kaiser Permanente Research Foundation. The remaining authors declare no conflict of interest.