1. School of Biomedical Engineering and Technology Tianjin Medical University Tianjin 300070 China
2. Department of Clinical Laboratory Tianjin Huan Hu Hospital Tianjin Key Laboratory of Cerebral Vascular and Neurodegenerative Disease Tianjin 300060 China
3. Department of Diagnostic and Therapeutic Ultrasonography Tianjin Medical University Cancer Institute and Hospital National Clinical Research Center of Cancer Key Laboratory of Cancer Prevention and Therapy Tianjin 300060 China