REN Li*; ZHOU Qing hua; QIU Meng; et al Oncologic Center; the First Affiliated Hospital; West China University of Medical Sciences; Chengdu 610041; P R China;

• 华西医科大学附属第一医院肿瘤中心化疗科;华西医科大学附属第一医院肿瘤中心内科;