Received: 20 March 2020
Accepted: 3 November 2020
First Online: 23 November 2020
Ethical approval and informed consent to participate
: This study was approved by the local ethics committee (Kantonale Ethikkommission Bern, Project-ID 2018-02192). All patients included in this study gave informed consent.
: Not applicable.
: All authors declare that they have no conflicts of interest.