1. Evidence‐Based Nursing Center, School of Nursing Lanzhou University Lanzhou China
2. Department of Obstetrics and Gynecology First Hospital of Lanzhou University Lanzhou China
3. Department of Social Medicine and Health Management, and Evidence Based Social Science Research Center, School of Public Health Lanzhou University Lanzhou China
4. Department of Obstetrics and Gynecology Shanghai General Hospital Shanghai China
5. Key Laboratory of Gynecologic Oncology of Gansu Province Lanzhou China
6. Evidence‐Based Nursing and Midwifery Practice Center, School of Nursing Southern Medical University China
7. School of Public Health Lanzhou University Lanzhou China
8. Evidence‐Based Medicine Center, School of Basic Medicine Science Lanzhou University Lanzhou China
9. Key Laboratory of Evidence Based Medicine and Knowledge Translation of Gansu Province Lanzhou China