Blozik, Eva
Farcher, Renato
Graber, Sereina M.
Huber, Carola A.
,
Burgstaller, Jakob
Chmiel, Corinne
Huber, Felix
Luchsinger, Philippe
Muheim, Leander
Reich, Oliver
Rosemann, Thomas
Scherer, Martin
Schnweuwly, Felix
Senn, Oliver
Tapernoux, Daniel
Article History
Received: 3 November 2021
Accepted: 1 April 2022
First Online: 11 May 2022
Declarations
:
: The analysis complied with the Swiss Federal Law on data protection. According to the national ethical and legal regulation, an ethical approval was not needed because the data were retrospective, pre-existing, and de-identified. Since data was anonymized, no consent of patients was required. Therefore, ethical approval and consent were waived.
: Not applicable.
: EB, RF, SG and CH were affiliated with the Helsana Health Insurance Company at the time when the study was conducted.