1. Department of Radiology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province, People’s Republic of China;
2. College of Ophthalmology, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province, People’s Republic of China;
3. Department of General Surgery, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province, People’s Republic of China;
4. Department of Radiology, West China Hospital of Sichuan University, Chengdu, Sichuan Province, People’s Republic of China