Received: 12 July 2021
Accepted: 30 August 2021
First Online: 29 September 2021
: The Ethics Committee of the Canton Zurich approved the acquisition of the computer-tomography data by the Institute of Forensic Medicine, University Zurich. All data were provided anonymously.
: Not applicable.
: Sandro Fucentese is a consultant for Medacta SA (Switzerland), Smith & Nephew (UK) and Karl Storz SE & Co. KG (Germany).