Received: 19 September 2021
Accepted: 4 October 2021
First Online: 22 November 2021
: The study was approved by the local ethics committee of the University Hospital Essen, Germany (20-9225-BO). All volunteers provided informed consent to participate in the study. This study has been performed in accordance with the ethical standards noted in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: All patients agreed for publication.
: MP, NF, PAH and ML declare that there is no conflict of interest. MK received honoraria for teaching activities from Roche Pharma and Chugai Pharma. Funding: There was no funding.