Funding for this research was provided by:
Clinical Trials Unit Inselspital
Received: 8 February 2018
Accepted: 3 July 2018
First Online: 16 July 2018
Ethics approval and consent to participate
: The present study is registered and approved by the responsible ethics committee of the Canton Bern, Switzerland (Nr. 197/15) as a quality evaluation study. According to Swiss law, the need to obtain informed consent was waived by the ethics committee.
: Not applicable
: TCS received research grants from the Bangerter-Rhyner Foundation as well as research grants and lecture fees from Bayer, Boehringer-Ingelheim, Daiichi-Sankyo and Bistol-Myers Squibb. WEH received research grants from Mundipharma Basel and paid educational consultancies from AO Foundation Zuerich. GC, MH, TB, SCH, JEK, AKE report no conflict of interest.
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