Icotinib Versus First-line Chemotherapy Plus Maintenance Treatment in EGFR Positive Lung Adenocarcinoma Patients

Chinese People's Liberation Army (PLA) General Hospital, Beijing

Beijing Hospital for Chest Tumors & Tuberculosis Diseases, Beijing

Harbin Medical Univercity Cancer Hospital, Harbin

The First Hospital of China Medical University, Shenyang

The First Bethune Hospital of Jilin Univercity, Changchun

Shanghai Chest Hospital Affiliated to Shanghai Jiaotong Univercity, Shanghai

Zhongshan Hospital Affiliated to Fudan Univercity, Shanghai

Changhai Hospital, The Second Military Medical University, Shanghai

Jiangsu Cancer Hospital, Nanjing

Jiangsu Provincal Tumor Hospital, Nanjing

The First Affiliated Hospital of Anhui Medical Univercity, Hefei

Shandong Cancer Hospital, Jinan

Tianjin Medical University Cancer Institute and Hospital, Tianjin

Xinqiao Hospital, The Third Military Medical University, Chongqing

Henan Provincal Tumor Hospital, Zhengzhou

The First Affiliated Hospital Of Guangzhou Medical Collage, Guangzhou

Nanfang Hospital, Southern Medical University, Guangzhou

Sichuan Provincal Tumor Hospital, Chengdu

West China Hospital, Sichuan University, Chengdu

Xijing Hospital, Xian

Hebei Provincal Tumor Hospital, Shijiazhuang