Received: 24 October 2020
Accepted: 4 February 2021
First Online: 15 February 2021
Change Date: 10 April 2021
Change Type: Update
Change Details: The paper was amended to add the OA funding note.
Ethics approval and consent to participate
: The study was approved by the ethics committee of the University of Leipzig (medical faculty:090/90-ek).
: Not applicable.
: C.-E. Heyde: Royalties: Medacta (Switzerland).G. Osterhoff: Consultant for Medtronic.The authors declare that they have no further competing interests.