Funding for this research was provided by:
Charité - Universitätsmedizin Berlin
Received: 31 May 2021
Accepted: 5 August 2021
First Online: 18 October 2021
: The study was conducted according to the Declaration of Helsinki, and required ethical approval by the ethics committee of Charité-Universitätsmedizin Berlin (EA4/155/16) and by the German Radiation Protection Office (Z 5–2246/2–2016-145). Written informed consent was obtained from all of the patients.
: Not applicable.
: The authors declare that they have no competing interests.