1. Department of Radiation Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Chinese Academy of Medical Science and Peking Union Medical College Beijing People's Republic of China
2. Department of Radiation Oncology Cancer Hospital of HuanXing ChaoYang District Beijing Beijing People's Republic of China
3. Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Chinese Academy of Medical Science and Peking Union Medical College Beijing People's Republic of China
4. Department of Clinical Medicine, The 2nd Clinical School Tongji Meidical College of Huazhong University of Science and Technology Wuhan People's Republic of China