[1] Univ Texas MD Anderson, Houston, TX USA
[2] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA
[3] Univ Texas MD Anderson Canc Ctr, The Woodlands, TX USA
[4] Univ Texas MD Anderson Canc Ctr, Dept Colon & Rectal Surg, Houston, TX 77030 USA
[5] Univ Texas MD Anderson Canc Ctr, Dept Neurooncol, Houston, TX 77030 USA
[6] Univ Texas MD Anderson Canc Ctr, Dept Gastroenterol, Houston, TX 77030 USA
[7] Univ Texas MD Anderson Canc Ctr, Dept Surg Oncol, Houston, TX 77030 USA
[8] Univ Texas MD Anderson Canc Ctr, Dept Gastrointestinal Med Oncol, Houston, TX 77030 USA
[9] Univ Texas MD Anderson Canc Ctr, Dept Clin Canc Prevent, Houston, TX 77030 USA