1. S Li, Department of Thyroid Surgery, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou, China
2. Z Chen, Department of Thyroid Surgery, Guangzhou First People's Hospital, Guangzhou, China
3. M Liu, School of Biomedical Sciences and Engineering, South China University of Technology, Guangzhou, China
4. L Li, Medical Research Institute, Guangdong Provincial People's Hospital, Guangzhou, China
5. W Cai, Department of Thyroid Surgery, Guangzhou First People's Hospital, Guangzhou, China
6. Z Lian, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
7. H Guan, Department of Endocrinology, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
8. B Xu, Department of Thyroid Surgery, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou, China