1. Thyroid, Breast and Vascular Surgery, Chongqing University FuLing Hospital, Chongqing, China
2. Department of Breast and Thyroid Surgery, Chongqing General Hospital, Chongqing, China
3. Graduate School of Medicine, Chongqing Medical University, Chongqing, China
4. Epidemiology Department, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, China