1. Department of Ultrasound Qilu Hospital of Shandong University Jinan China
2. Department of Gynecology and Obstetrics Qilu Hospital of Shandong University Jinan China
3. Department of Internal Medicine‐Oncology Affiliated Hospital of Shandong Academy of Medical Sciences Shandong First Medical University Jinan China
4. Institute of Basic Medical Sciences Qilu Hospital of Shandong University Jinan China
5. Department of Clinical Laboratory Qilu Hospital of Shandong University Jinan China