Funding for this research was provided by:
Technische Universität München
Received: 6 May 2021
Accepted: 23 December 2021
First Online: 25 January 2022
: This study was approved by the IRB of the University Hospital (589/16 S). Due to the collection of anonymized data an informed consent to participate was formally waived by the IRB of the University Hospital.
: Not applicable.
: The authors declare that they have no competing interests.