[1] Walter Reed Natl Mil Med Ctr, Gen Surg Dept, Bethesda, MD 20889 USA
[2] Uniformed Serv Univ Hlth Sci, Dept Surg, Bethesda, MD 20889 USA
[3] Walter Reed Natl Mil Med Ctr, Orthoped Surg Dept, Bethesda, MD 20889 USA
[4] Womack Army Med Ctr, Dept Gen Surg, Ft Bragg, NC 28310 USA
[5] Med Univ South Carolina, Dept Orthoped Surg, Charleston, SC 29425 USA
[6] Fleet Surg Team Four, Portsmouth, VA 23708 USA
[7] Naval Med Ctr Camp Lejeune, Dept Gen Surg, Jacksonville, NC 28542 USA
[8] Naval Med Readiness & Training Command, Eyes Ear Nose & Dept, Portsmouth, VA 28542 USA