[1] Xi An Jiao Tong Univ, Sch Med, Affiliated Hosp 2, Dept Cardiol, Xian 710004, Peoples R China
[2] Cent Hosp Xian, Dept Oncol, Xian 710003, Peoples R China
[3] Xi An Jiao Tong Univ, Sch Med, Affiliated Hosp 2, Dept Oncol, Xian 710004, Peoples R China