Shanghai Fudan Univ, Shanghai, Peoples R China; Canc Hosp CAMS, Beijing, Peoples R China; PUMC, Beijing, Peoples R China; Zhejiang Canc Hosp, Hangzhou, Zhejiang, Peoples R China; Shandong Univ, Qi Lu Hosp, Jinan 250100, Peoples R China; Sungkyunkwan Univ, Samsung Med Ctr, Seoul, South Korea; Chinese Peoples Liberat Army Gen Hosp, Beijing, Peoples R China; Sichuan Univ, West China Hosp, Chengdu 610064, Peoples R China; Sun Yat Sen Univ, Ctr Canc, Guangzhou 510275, Guangdong, Peoples R China; Canc Hosp Jiangsu Prov, Nanjing, Jiangsu, Peoples R China; Univ Hong Kong, Hong Kong, Hong Kong, Peoples R China; Zhejiang Univ, Sch Med, Womens Hosp, Hangzhou 310003, Zhejiang, Peoples R China; Mackay Mem Hosp, Taipei, Taiwan; China Med Univ, Shengjing Hosp, Huaxiang Branch, Shenyang, Peoples R China; Taipei Vet Gen Hosp, Taipei, Taiwan; Peking Univ, Peoples Hosp, Beijing 100871, Peoples R China; GlaxoSmithKline, Collegeville, PA USA; GlaxoSmithKline Res & Dev Ltd, Collegeville, PA USA; GlaxoSmithKline, Shanghai, Peoples R China