1. Department of Endocrinology China‐Japan Friendship Hospital Beijing People's Republic of China
2. Department of Endocrinology The First Affiliated Hospital of Henan University of Science & Technology Luoyang People's Republic of China
3. Department of Endocrinology Emergency General Hospital Beijing People's Republic of China
4. Department of Endocrinology The First Affiliated Hospital of Harbin Medical University Harbin People's Republic of China
5. Department of Endocrinology Qilu Hospital of Shandong University Jinan People's Republic of China
6. Department of Endocrinology Nanjing First Hospital Nanjing People's Republic of China
7. Department of Endocrinology The First Affiliated Hospital of Anhui Medical University Hefei People's Republic of China
8. Department of Endocrinology The Second Affiliated Hospital of Anhui Medical University Hefei People's Republic of China