[1] Univ Southern Calif, Dept Surg, Los Angeles, CA USA
[2] Keck Sch Med, Dept Surg, Los Angeles, CA USA
[3] Oregon Hlth & Sci Univ, Dept Surg, Portland, OR USA
[4] Univ Texas Austin, Dell Med Sch, Dept Surg, Austin, TX USA
[5] Univ Kansas, Med Ctr, Dept Surg, Kansas City, KS USA
[6] Med Coll Wisconsin, Dept Surg, Milwaukee, WI USA
[7] Cedars Sinai Med Ctr, Dept Surg, Los Angeles, CA USA
[8] Ernest E Moore Shock Trauma Ctr, Dept Surg, Denver, CO USA
[9] Scripps Mercy Hosp, Dept Surg, San Diego, CA USA
[10] Guthrie Hlth Syst, Dept Surg, Sayre, PA USA
[11] Childrens Hosp, Dept Surg, Cincinnati, OH USA
[12] St Josephs Med Ctr, Dept Surg, Phoenix, AZ USA
[13] Riverside Univ Hlth Syst, Dept Surg, Med Ctr, Riverside, CA USA
[14] Univ Florida, Coll Med, Dept Surg, Jacksonville, FL USA
[15] Loma Linda Univ, Med Ctr, Dept Surg, Loma Linda, CA USA
[16] Univ Calif San Diego, Rady Childrens Hosp, Dept Surg, San Diego, CA USA
[17] East Carolina Univ, Dept Surg, Greenville, NC USA
[18] Childrens Wisconsin, Med Coll Wisconsin, Dept Surg, Milwaukee, WI USA
[19] Texas Tech Univ, Hlth Sci Ctr, Dept Surg, El Paso, TX USA
[20] Oregon Hlth & Sci Univ, Dept Surg, Portland, OR USA