[1] Southern Med Univ, Sch Clin Med 2, Guangzhou, Peoples R China
[2] Jinan Univ, Affiliated Guangdong Prov Gen Hosp 2, Dept Med Imaging, Shiliugang Rd, Guangzhou, Peoples R China
[3] Guangdong Med Univ, Zhanjiang 524023, Peoples R China
[4] Jinan Univ, Guangdong Prov Gen Hosp 2, Sch Med, Dept Med Imaging, Guangzhou, Peoples R China