Funding for this research was provided by:
Medizinische Hochschule Hannover (MHH)
Received: 18 November 2020
Accepted: 20 January 2021
First Online: 25 February 2021
Ethics approval and consent to participate
: Ethical approval is not required due to the use of artificial bones without harm to patients, patient material or cadavers.
: All authors declare that they have no conflict of interest.