1. Department of Thyroid and Breast, Division of General Surgery, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai 200072, People’s Republic of China
2. Department of Clinical Cancer Prevention, Division of Cancer Prevention and Population Science, The University of Texas M.D. Anderson Cancer Center, Houston, Texas 77030, United States
3. Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, People’s Republic of China