Funding for this research was provided by:
Amgen Limited, London, UK
Text and Data Mining valid from 2019-08-07
Received: 18 January 2019
Accepted: 29 July 2019
First Online: 7 August 2019
Compliance with ethical standards
: SG has received honoraria for speaking at symposia and has participated in advisory boards for Amgen. AS and SW are employees of Amgen and own shares in Amgen. MM has received honoraria for speaking for Amgen and Pfizer. All other authors have no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of institutional and/or national research committees and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.