1. Clinical Trials Unit, The First Affiliated Hospital Sun Yat‐sen University Guangzhou China
2. Department of Endocrinology, The First Affiliated Hospital Sun Yat‐sen University Guangzhou China
3. China Standard Medical Information Research Center Shenzhen China
4. Department of Breast and Thyroid Surgery, The First Affiliated Hospital Sun Yat‐sen University Guangzhou China
5. Institute of Applied Health Research University of Birmingham Birmingham UK