1. Department of Radiology; The Second Affiliated Hospital of Nantong University; Jiangsu China
2. Department of Epidemiology and Medical Statistics; School of Public Health Nantong University; Nantong Jiangsu China
3. Department of Pathophysiology; Nantong University Medical School; Nantong Jiangsu China
4. Clinical Medicine Research Center; the Second Affiliated Hospital of Nantong University; Nantong Jiangsu China