1. Department of Ultrasound, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, No. 107 Yanjiang Road West, Guangzhou 510120, China
2. Department of Ultrasound, the First People’s Hospital of Kashi Prefecture, No. 120 Yingbin Avenue, Kashi, Xinjiang 844000, China
3. Department of Radiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, No. 107Yanjiang Road West, Guangzhou 510120, China
4. Department of Radiology, the First People’s Hospital of Kashi Prefecture, No. 120 YingbinAvenue, Kashi, Xinjiang 844000, China