1. Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China
2. Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
3. Liaoning Key Laboratory of Precision Medical Research on Major Chronic Disease, Shengjing Hospital of China Medical University, Shenyang, China
4. Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
5. Key Laboratory of Reproductive and Genetic Medicine (China Medical University), National Health Commission, Shenyang, China