Funding for this research was provided by:
Merck Sharp and Dohme (unrestricted grant)
Burgergemeinde Bern (unrestricted grant)
Received: 26 October 2018
Accepted: 28 January 2019
First Online: 12 February 2019
Ethics approval and consent to participate
: The study protocol was approved by the Cantonal Ethics Committee Bern (Ref.-Nr. KEK-BE: 023112), and written informed consent was obtained from each participant.
: All authors agree to publication and adhere to the journal’s requirements.
: P. Stute, M. von Wolff, N. Bitterlich, L. Hollenstein and M. Anker declare to have no conflict of interest in context of this manuscript. F. Meissner is managing director of vital.services and D. Poethig is member of the scientific board of vital.services, which provides the technology for BFS measuring. F. Meissner has no involvements that might raise the question of bias in the work reported or in the conclusions, implications, or opinions stated.
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