aDepartment of Orthopaedic Surgery, University of Minnesota Medical School, Minneapolis, MN;

bDepartment of Orthopaedic Surgery, Regions Hospital, St. Paul, MN; and

cHealthPartners Orthopaedics & Sports Medicine, Bloomington, MN.

Reprints: Peter A. Cole, MD, Department of Orthopaedic Surgery, Regions Hospital, 640 Jackson St ML 11503L, St. Paul, MN 55101 (e-mail: [email protected]).

P. A. Cole, is currently receiving institutional grant support from Stryker Inc, Depuy-Synthes, KLS Martin, AONA, COTA, OMeGA, Zimmer-Biomet, and Acumed; receives Honoraria/Consulting fees from AO foundation, Exactech, Stryker, and KLS Martin; and is a stockowner in Bonefoams, Inc. Remaining authors (I. S. Brahme) do not have relevant financial relationships with ineligible companies pertaining to the topic.

Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's Web site (www.jorthotrauma.com).

Investigation performed at the Department of Orthopaedic Surgery, University of Minnesota, Regions Hospital, St. Paul, MN.