[1] Univ Tennessee, Dept Surg, Hlth Sci Ctr, Knoxville, TN USA
[2] Univ Texas MD Anderson Canc Ctr, Div Surg, Dept Surg Oncol, Houston, TX USA
[3] Augusta Univ, Med Coll Georgia, Dept Surg, Augusta, GA USA
[4] Roswell Pk Comprehens Canc Ctr, Dept Surg Oncol, Buffalo, NY USA
[5] Univ N Carolina, Dept Surg, Chapel Hill, NC USA