[1]Jiangsu Canc Hosp, Nanjing, Jiangsu, Peoples R China.
[2]Henan Canc Hosp, Zhengzhou, Peoples R China.
[3]Shanxi Canc Hosp, Taiyuan, Peoples R China.
[4]Zhengzhou Univ, Affiliated Hosp 1, Zhengzhou 450052, Peoples R China.
[5]Jilin Univ, Affiliated Hosp 1, Changchun 130023, Peoples R China.
[6]Huazhong Univ Sci & Technol, Tongji Med Coll, Union Hosp, Wuhan 430074, Peoples R China.
[7]Zhejiang Univ, Sch Med, Affiliated Hosp 2, Hangzhou 310003, Zhejiang, Peoples R China.
[8]Fourth Hosp Hebei Med Univ, Shijiazhuang, Peoples R China.
[9]Shandong Acad Med Sci, Affiliated Hosp, Jinan, Peoples R China.
[10]Nanfang Med Univ, Nanfang Hosp, Guangzhou, Guangdong, Peoples R China.
[11]Guangdong Foshan First Hosp, Foshan, Peoples R China.