1. Department of Endocrinology, Peking University People's Hospital, Beijing, China.
2. Department of Endocrinology, Southeast University Zhongda Hospital, Nanjing, China.
3. Department of Endocrinology, Chongqing Medical University First Affiliated Hospital, Chongqing, China.
4. Department of Endocrinology, Zhengzhou University First Affiliated Hospital, Zhengzhou, China.
5. BD (Becton Dickinson, Inc.) Medical Affairs, Beijing, China.
6. BD Diabetes Care Medical Affairs, Franklin Lakes, New Jersey.