1. Department of Cardiovascular Ultrasound, The First Hospital of China Medical University, Shenyang, China
2. Clinical Medical Research Center of Imaging in Liaoning Province, Shenyang, China
3. Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, China
4. Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China
5. Department of Cardiology, Shengjing Hospital of China Medical University, Shenyang, China