[1] Univ Iowa, Dept Surg, Iowa City, IA 52242 USA
[2] Brigham & Womens Hosp, Dept Orthopaed Surg, 75 Francis St, Boston, MA 02115 USA
[3] Georgia Augusta Univ, Med Coll, Augusta, GA USA
[4] Univ Puerto Rico, San Juan, PR 00936 USA
[5] Duke Univ, Dept Orthopaed Surg, Med Ctr, Durham, NC 27710 USA
[6] Rush Univ, Med Ctr, Midwest Orthopaed Rush, Chicago, IL 60612 USA
[7] Purdue Univ, Dept Basic Med Sci, W Lafayette, IN 47907 USA
[8] Purdue Univ, Dept Biomed Engn, W Lafayette, IN 47907 USA