1. Department of Head & Neck Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China
2. Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
3. Cancer Research Institute, Fudan University Shanghai Cancer Center, Shanghai 200032, China
4. Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai 200032, China
5. Central Laboratory, The Fifth People's Hospital of Shanghai, Fudan University, Shanghai 200240, China