M. E. Boeyer, R. J. Sherwood, D. L. Duren, Department of Orthopaedic Surgery, Missouri Orthopaedic Institute, University of Missouri, Columbia, MO, USAM. E. Boeyer, R. J. Sherwood, Department of Pathology and Anatomical Sciences, University of Missouri, Columbia, MO, USAC. B. Deroche, Department of Health Management of Informatics, University of Missouri, Columbia, MO, USA