[1] Natl Taiwan Univ Hosp, Coll Med, Dept Oncol, Taipei 100, Taiwan
[2] Natl Taiwan Univ Hosp, Dept Obstet & Gynecol, Taipei, Taiwan
[3] Natl Taiwan Univ Hosp, Dept Pathol, Taipei 100, Taiwan
[4] Natl Taiwan Univ, Coll Med, Inst Toxicol, Lab Mol & Cellular Toxicol, Taipei, Taiwan