[1]Peking Univ, Peoples Hosp, Beijing 100871, Peoples R China.
[2]Bristol Myers Squibb Co, Wallingford, CT 06492 USA.
[3]Henan Prov Peoples Hosp, Zhengzhou, Peoples R China.
[4]Fourth Mil Med Univ, Tangdu Hosp, Xian 710032, Peoples R China.
[5]Beijing Friendship Hosp, Beijing, Peoples R China.
[6]Wuhan Univ, Peoples Hosp Hubei, Wuhan 430072, Peoples R China.
[7]Lanzhou Univ, Affiliated Hosp 1, Lanzhou 730000, Peoples R China.
[8]Nanchang Univ, Affiliated Hosp 1, Nanchang, Peoples R China.
[9]Southwest Hosp, Chongqing, Peoples R China.
[10]Shangdong Univ, Hosp 2, Jinan, Peoples R China.
[11]China Med Univ, Shengjing Hosp, Shenyang, Peoples R China.
[12]Sun Yat Sen Univ, Affiliated Hosp 3, Guangzhou 510275, Guangdong, Peoples R China.
[13]Kunming Med Coll, Affiliated Hosp 1, Kunming, Peoples R China.
[14]Huazhong Univ Sci & Technol, Affiliated Tongji Hosp, Tongji Med Coll, Wuhan 430074, Peoples R China.
[15]Jiangsu Prov Hosp, Nanjing, Peoples R China.
[16]Shanghai Ruijin Hosp, Shanghai, Peoples R China.
[17]Zhejiang Univ, Affiliated Hosp 1, Coll Med, Hangzhou 310003, Zhejiang, Peoples R China.
[18]Jilin Univ, Hosp 1, Changchun 130023, Peoples R China.
[19]Cent S Univ, Xiangya Hosp 2, Changsha, Hunan, Peoples R China.
[20]Ningxia Peoples Hosp, Yinchuan, Peoples R China.
[21]Fujian Med Univ, Affiliated Hosp 1, Fuzhou, Peoples R China.
[22]Harbin Med Coll, Affiliated Hosp 2, Harbin, Peoples R China.
[23]Guangxi Med Univ, Affiliated Hosp 1, Nanning, Peoples R China.
[24]Shanghai Jiao Tong Univ, Peoples Hosp 1, Sch Med, Shanghai 200030, Peoples R China.
[25]So Med Univ, Nanfang Hosp, Guangzhou, Guangdong, Peoples R China.
[26]W China Hosp, Chengdu, Peoples R China.
[27]Anhui Med Univ, Affiliated Hosp 1, Hefei, Peoples R China.
[28]Zhengzhou Univ, Affiliated Hosp 1, Zhengzhou, Peoples R China.
[29]Shanxi Med Univ, Affiliated Hosp 1, Taiyuan, Peoples R China.