1. Department of Ultrasound, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, 150081, China
2. Department of Neurosurgery, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, 150081, China
3. Department of Ultrasound, Drug Rehabilitation Center of Heilongjiang Province, Harbin, 150056, China
4. College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
5. Department of Gynecology and Obstetrics, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, 150081, China