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Article History

Received: 2 March 2018

Accepted: 29 May 2018

First Online: 7 June 2018

Authors’ information

: KK (M.D., Associate Prof.) Department of Foot and Ankle Surgery, Catholic Hospital Mainz, GermanyBG (Prof.) AO Research Institute Davos, Davos, SwitzerlandJBC (M.D.) Department of Orthopaedic Trauma, University of Aachen Medical Center, GermanyAM (M.D., Associate Prof.) Department of Oral and Maxillofacial Surgery, University of Aachen Medical Center, GermanySN (M.D., Associate Prof.) Department of Radiology, University of Aachen Medical Center, GermanyBSK (M.D., Associate Prof.) Department of Plastic Surgery, Reconstructive and Hand Surgery, University of Aachen Medical Center, GermanyKH (M.D., MHBA) Department of Orthopaedic Trauma, University of Aachen Medical Center, GermanyCDW (M.D.) Department of Orthopaedic Trauma, University of Aachen Medical Center, GermanyMK (M.D., Associate Prof., MME, MHBA) Department of Orthopaedic Trauma, University of Aachen Medical Center, Germany

: Institutional Review Board approval was granted before initiation of this study, and strict confidentiality guidelines were followed (Local Ethics Committee Reference Number EK 346/14). Participants provided informed consent for the use of their results in this study and for publication at the time of enrollment.Ethics committee of the RWTH Aachen University Hospital, ethics approval EK 346/14.

: Consent for publication, including photographic images, was provided by the participants at the time of enrollment.

: The authors declare that they have no competing interests.

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