Wei, Wenjia http://orcid.org/0000-0002-1977-8416
Ulyte, Agne
Gruebner, Oliver
von Wyl, Viktor
Dressel, Holger
Brüngger, Beat
Blozik, Eva
Bähler, Caroline
Braun, Julia
Schwenkglenks, Matthias
Funding for this research was provided by:
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (407440_167349)
Article History
Received: 9 June 2020
Accepted: 16 November 2020
First Online: 27 November 2020
Ethics approval and consent to participate
: The data provided by Helsana were anonymized. According to the national ethical and legal regulations, ethical approval was not needed for this type of analysis. This was confirmed by a waiver of the competent ethics committee (Kantonale Ethikkommission Zürich, dated 11th January 2017, BASEC-Nr. Req-2017-00011).
: Not applicable.
: M.S. declares a grant from Helsana Insurance Group, outside the submitted work. Helsana Group provided support in the form of salaries for authors B.B, E.B and C.B, but did not have any additional role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript. The other authors declare no competing interests.