1. Department of Radiation Oncology The Second Hospital of Tianjin Medical University Tianjin China
2. Department of Pathology Oncology Fudan University Shanghai Cancer Center Shanghai China
3. Department of Oncology Shanghai Medical College, Fudan University Shanghai China
4. Department of Radiation Oncology Fudan University Shanghai Cancer Center Shanghai China
5. Department of Radiation Oncology Shanghai Jiao Tong University Affiliated Sixth People's Hospital Shanghai China
6. Department of Radiation Oncology Shanghai Chest Hospital, Shanghai Jiao Tong University Shanghai China