1. Department of Ultrasound, Qilu Hospital, Cheeloo College of Medicine Shandong University Jinan China
2. Department of Health Management Center, Qilu Hospital, Cheeloo College of Medicine Shandong University Jinan China
3. Department of Breast Surgery, Qilu Hospital, Cheeloo College of Medicine Shandong University Jinan China
4. Department of Urology Qilu Hospital, Cheeloo College of Medicine, Shandong University Jinan China
5. Department of Ultrasound, Medical Section Jinan Maternal and Child Health Hospital Jinan China