aDepartment of Orthopedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria

bAO Research Institute Davos, Davos, Switzerland

cDepartment of Orthopedics and Trauma Surgery, Cantonal Hospital of Lucerne, Lucerne, Switzerland

dDivision of Anatomy, Center for Anatomy and Cell Biology, Medical University of Vienna, Vienna, Austria

eDepartment of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna, Austria

This investigation was performed with the assistance of the AO Foundation. The authors acknowledge Johnson and Johnson Medical Products GmbH for providing the training grant in the context of which this project was realized.

The authors report no conflicts of interest.

Address correspondence and reprint requests to Emir Benca, PhD, Department of Orthopedics and Trauma Surgery, Medical University of Vienna, 1090 Vienna, Austria; E-mail: [email protected]