1. Department of Medical Ultrasonics, Institute of Diagnostic and Interventional Ultrasound, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
2. Department of Ultrasound, Huadong Hospital, Fudan University, Shanghai, China
3. Medical Imaging System Division, Shenzhen Mindray Bio-Medical Electronics Co., Ltd, Shenzhen, China
4. Department of Medical Ultrasonics, Guangxi Hospital Division of the First Affiliated Hospital, Sun Yat-Sen University, Nanning, China