1 Department of Nutriology, Zigong First People's Hospital, Zigong, Sichuan Province, 643000, PR China.
2 Department of Radiology, Affiliated Hospital of North Sichuan Medical College, 637000, Nanchong, Sichuan Province, PR China; Department of Radiology, Zigong First People's Hospital, Zigong, Sichuan Province, 643000, PR China.
3 Department of Radiology, Zigong First People's Hospital, Zigong, Sichuan Province, 643000, PR China. Electronic address: zhongjianquan.2010@qq.com.