Funding for this research was provided by:
Charité - Universitätsmedizin Berlin
Received: 9 January 2021
Accepted: 26 August 2021
First Online: 12 September 2021
: The study was approved by the Charité Ethics Committee with a number for the study: EA1/059/14. All the patients in this study read the patient information sheet and gave informed consent to participate. The study was carried out following all relevant guidelines and regulations.
: Not applicable.
: The authors declared that they have no competing interests.