Accepted: 24 June 2022
First Online: 18 July 2022
: L.I. Schmidt, C.-P. Jansen, J. Depenbusch, M. Gabrian, M. Sieverding and H.-W. Wahl declare that they have no competing interests.
: All procedures performed in studies involving human participants or on human tissue were in accordance with the ethical standards of the institutional and/or national research committee and with the 1975 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study.