1. Department of Medical Ultrasound, Affiliated Hospital of Jiangsu University, Zhenjiang, China
2. Department of Pharmaceutics, School of Pharmacy and Center for Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, Jiangsu, China
3. Department of Medical Ultrasound, Jiangsu Province Hospital on Integration of Chinese and Western Medicine, Nanjing, China