1. Fudan University Shanghai Cancer Center, Department of Pathology, Shanghai, Shanghai, China,
2. Shanghai Medical College of Fudan University, Department of Oncology, Shanghai, Shanghai, China, ;
3. Fudan University Shanghai Cancer Center, Pathology, Shanghai, China,
4. Fudan University Shanghai Cancer Center, Shanghai, Shanghai, China,
5. Fudan University Shanghai Cancer Center, Department of Head and Neck Surgery, Shanghai, Shanghai, China,