[Xing, Yan; Gu, Qianbiao] Xinjiang Med Univ, Affiliated Hosp 1, Imaging Ctr, Urumqi 830011, Peoples R China.
[Sun, Huiling] Tradit Chinese Med Hosp Changji Hui Autonomous Pre, Dept CT & MR, Changji 831100, Changji Hui Aut, Peoples R China.
[Liu, Peng] Hunan Normal Univ, Hunan Prov Peoples Hosp, Affiliated Hosp 1, Dept Radiol, Changsha 410000, Peoples R China.
[Hu, Xiaoli] Hunan Univ Chinese Med, Affiliated Hosp 1, Dept Radiol, Changsha 410000, Peoples R China.
[Yang, Jiankang] YueYang Cent Hosp, Dept Radiol, Yueyang 414000, Peoples R China.