1. Prenatal Diagnosis Center, The Affiliated Hospital of Qingdao University, Qingdao, China
2. Genetic Laboratory, The Affiliated Hospital of Qingdao University, Qingdao, China
3. Department of Biochemistry and Molecular Biology, School of Medicine, Qingdao University, Qingdao, China
4. National Research Institute for Family Planning, Beijing, China
5. Neonatal Screening Center, Jinan Women & Children Medical Healthcare Center, Jinan, China
6. Department of Endocrinology, The Affiliated Hospital of Qingdao University, Qingdao, China
7. Graduate School, Peking Union Medical College, Beijing, China
8. World Health Organization Collaborating Centre for Research in Human Reproduction, Beijing, China
9. Division of Endocrinology, Diabetes & Metabolism, Department of Medicine, The Johns Hopkins University School of Medicine, USA