1Departments of Anatomy and Orthopedic Surgery, Biomechanics and Biomaterials Research Center, Indiana University School of Medicine, Indianapolis, Indiana, U.S.A.
2Department of Anatomical Sciences, University of Queensland, Brisbane, Queensland, Australia
3Bone and Joint Center, Henry Ford Hospital, Detroit, Michigan, U.S.A.
4Department of Orthopedic Surgery, University of California, Davis, California, U.S.A.
5Department of Orthopedic Surgery, Biomechanics and Biomaterials Research Center, Indiana University School of Medicine, Indianapolis, Indiana, U.S.A.