[1] Kyungpook Natl Univ Hosp, Daegu, South Korea
[2] Baylor Charles A Sammons Canc Ctr, Div Gastroenterol, Dept Internal Med, Gastrointestinal Canc Res Lab, Dallas, TX USA
[3] Baylor Res Inst, Dallas, TX USA
[4] Kyungpook Natl Univ, Cell & Matrix Res Inst, Sch Med, Dept Biochem & Cell Biol, Daegu, South Korea
[5] Kyungpook Natl Univ, Med Ctr, Daegu, South Korea
[6] Kyungpook Natl Univ, Med Ctr, Sch Med, Dept Oncol Hematol, Daegu, South Korea
[7] Univ Ulsan, Ulsan Univ Hosp, Coll Med, Dept Hematol & Oncol, Ulsan, South Korea
[8] Kyungpook Natl Univ, Sch Med, Dept Pathol, Daegu, South Korea