1. Basic Medical College, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, China
2. Ultrasonic Diagnosis Department, The First People’s Hospital of Taicang Affiliated to Suzhou University, 58 South Changsheng Road, Taicang 215400, China
3. Physical Examination Center, The First People’s Hospital of Taicang Affiliated to Suzhou University, 58 South Changsheng Road, Taicang 215400, China