1Department of Endocrinology, Beijing Tongren Hospital, Capital Medical University, 1 Dong Jiao Min Xiang, Beijing, 100730 China
2Medical Records and Statistics Department, Beijing Ditan Hospital, Capital Medical University, Beijing, China
3Department of Endocrinology, Beijing Friendship Hospital, Capital Medical University, Beijing, China
4Jinsong Community Health Service Center, Beijing, China
5Xinjiekou Community Health Service Center, Beijing, China
6Aerospace Central Hospital, Beijing, China
7Sanlitun Community Health Service Center, Beijing, China
8Jiangtai Community Health Service Center, Beijing, China
9Majiapu Community Health Service Center, Beijing, China
© The Author(s) 2021
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