[Li, Jun; Chen, Ming; Cao, Chun-Li; Wang, Jia-Jia; Cheng, Jing] Shihezi Univ, Med Coll, Affiliated Hosp 1, Dept Ultrasound, North 2 Rd, Shihezi 832008, Xinjiang, Peoples R China.
[Cao, Chun-Li] Huazhong Univ Sci & Technol, Dept Med Ultrasound, Tongji Hosp, Wuhan 430030, Hubei, Peoples R China.
[Huang, Shu-Yan] Univ South China, Dept Ultrasound, Peoples Hosp Huaihua 1, Huaihua 418000, Hunan, Peoples R China.
[Li, Shu-Gang] Shihezi Univ, Med Coll, Dept Publ Hlth, Shihezi 832003, Xinjiang, Peoples R China.
[Li, Shu-Gang] Shihezi Univ, Med Coll, Dept Publ Hlth, North 2 Rd, Shihezi 832000, Xinjiang, Peoples R China.