Received: 23 July 2021
Accepted: 20 December 2021
First Online: 10 January 2022
: This retrospective observational study was approved by the local ethics committee Kantonale Ethikkommission Bern (KEK 2020-01064). The need for informed consent was waived because of deidentified data handling and the retrospective nature of the study.
: Not applicable
: Andreas Ebneter is currently an employee of F. Hoffmann-La Roche Ltd, Basel, Switzerland.