1. Department of Thyroid and Breast Surgery, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, Zhejiang 310014, P.R. China
2. Program of Innovative Therapeutics, First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang 310014, P.R. China
3. Department of Surgical Oncology, Dongyang People's Hospital of Zhejiang, Dongyang, Zhejiang 322100, P.R. China