Milton T.M. Little, MD; Marschall B. Berkes, MD; Patrick C. Schottel, MD; Matthew Garner, MD; Lionel E. Lazaro, MD; Jacqueline F. Birnbaum, BA; David L. Helfet, MD; Dean G. Lorich, MD;
Renan C. Castillo, PhD; Stephen T. Wegener, PhD; Sara E. Heins, BA; Jennifer A. Haythornthwaite; Ellen J. MacKenzie, PhD; Michael J. Bosse, MD; the LEAP (Lower Extremity Assessment Project) Study Group;