1. Department of Medical Imaging, Henan Provincial People’s Hospital, Zhengzhou, Henan, China
2. Department of Radiology, Anyang Hospital of Traditional Chinese Medicine, Anyang, Henan, China
3. Department of Radiology and Interventional, the Fifth People's Hospital of Anyang, Anyang, Henan, China
4. Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
5. Li Ka Shing Faculty of Medicine, the University of Hong Kong, Pokfulam, Hong Kong, China