About the Authors

Ludger Gerdesmeyer

Roles Conceptualization, Funding acquisition, Supervision, Writing – original draft

Gerdesmeyer@aol.com

Affiliations Department of Orthopaedic Surgery, Mare Klinik, Kiel-Kronshagen, Germany, Department of Orthopaedics and Sportorthopaedics, Klinikum Rechts der Isar, München, Germany

Claudio Glowalla

Roles Formal analysis, Methodology, Writing – original draft, Writing – review & editing

Affiliation Department of Orthopaedics and Sportorthopaedics, Klinikum Rechts der Isar, München, Germany

Igor Lasic

Roles Methodology, Project administration, Validation, Writing – review & editing

Affiliation Department of Orthopaedics and Sportorthopaedics, Klinikum Rechts der Isar, München, Germany

Munjed Al Muderis

Roles Conceptualization, Funding acquisition, Project administration, Writing – review & editing

Affiliation Macquarie University Hospital, Macquarie University, Sydney, Australia

Matthias Weuster

Roles Data curation, Methodology, Writing – review & editing

Affiliations Department of Orthopaedics and Traumatology, DIAKO Hospital, Flensburg, Germany, Department of Orthopaedic Surgery and Traumatology, University of Kiel, Kiel, Germany

Tim Klueter

Roles Investigation, Resources, Writing – original draft, Writing – review & editing

Affiliation Department of Orthopaedic Surgery and Traumatology, University of Kiel, Kiel, Germany

Competing Interests

The corresponding author (LG) is an advising surgeon in Aesculap R&D projects and is getting research funding in connection with these projects. All other authors have no conflict of interest to declare. This does not alter our adherence to PLOS ONE policies on sharing data and materials.