1. Department of Radiology, Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, China
2. Department of Anatomy, Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China
3. Department of Anatomy, Dongguk University School of Medicine, Gyeongju, Korea
4. Department of Radiology, Second Affiliated Hospital of Xiamen Medical College, Xiamen, Fujian, China