Text and Data Mining valid from 2019-01-07
Received: 13 August 2018
Accepted: 26 December 2018
First Online: 7 January 2019
Ethics approval and consent to participate
: The study was approved by the regional Ethics Committee at the Karolinska Institutet, Stockholm, Sweden. This study was a retrospective analysis of statistically deidentified data; informed consent was not required.
: not applicable.
: WK has received speaker fees from Boehringer Ingelheim, Hexal, Profil Deutschland, IAD, Sanofi Aventis, Astra Zeneca, Amgen, and Abbvie. All other authors have no competing interests to declare.
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