1. Department of Ultrasound Medical, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
2. Department of Ultrasound Medical, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
3. Department of Radiology, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
4. Department of Pathology, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China