[1] Vanderbilt Univ, Med Ctr, Div Acute Care Surg, Nashville, TN USA
[2] Univ Maryland, Dept Orthoped Surg, Baltimore, MD USA
[3] Vanderbilt Univ, Med Ctr, Surg Div Trauma & Surg Crit Care, Dept Surg, 404 Med Arts Bldg 1211,21st Ave, South Nashville, TN 37212 USA