| Affiliation: | 1. Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China;2. Department of Clinical Laboratory, Beijing Shijitan Hospital, Capital Medical University, Beijing, China;3. School of Public Health, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China;4. Department of pediatric health care, Hebei Center for Women and Children's Health, Shijiazhuang, China;5. School of Software Engineering, University of Science and Technology Beijing, Beijing, China;6. Tsinghua National Laboratory for Information Science and Technology, Tsinghua University, Beijing, China;7. Research Association for Women and Children's Health, Secretariat, Beijing, China |
