Funding for this research was provided by:
Charité - Universitätsmedizin Berlin
Received: 6 October 2021
Accepted: 22 February 2022
First Online: 23 March 2022
: The study was approved by the Ethical committee of Berlin Medical Association. All methods were carried out in accordance to relevant guidelines and regulations. The study was registered and confirmed in advance at Charité, Medical University. As a retrospective anonymized data set no informed consent is required and informed consent was waived by the Ethical committee of Berlin Medical Association.
: Not applicable.
: The authors declare that they have no competing interests.