Received: 13 October 2020
Accepted: 3 February 2021
First Online: 15 February 2021
Ethics approval and consent to participate
: Ethical approval was waived by the local Ethics Committee of the University Hospital Carl Gustav Carus Dresden (ID number: BO-EK-27012020) in view of the retrospective nature of the study, and all the procedures being performed were part of the routine care. Informed written consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.