Received: 12 March 2021
Accepted: 5 July 2021
First Online: 22 July 2021
: This study was approved by the ethics committee of the Medical University of Vienna (ethics number 2287/2020). Consent to participate will be obtained by the principal investigator from each participant prior to inclusion. If any protocol modifications might be necessary concerning statistical analysis, those will be communicated to the ethics committee, trial registry, and journals, which manuscripts will be submitted to.
: Not applicable.
: The authors declare that they have no competing interests.