[1] Xiamen Univ, Affiliated Hosp 1, Dept Radiol, Xiamen, Peoples R China
[2] Fujian Med Univ, MengChao Hepatobiliary Hosp, Dept Urol, Fuzhou, Peoples R China
[3] Ningbo Univ, Affiliated Hosp 1, Dept Radiol, Ningbo, Peoples R China
[4] Li Huili Hosp, Ningbo Med Ctr, Dept Radiol, Ningbo, Peoples R China
[5] Ningbo Diagnost Pathol Ctr, Ningbo, Peoples R China
[6] Xiamen Univ, Affiliated Hosp1, Dept Radiol, 55 Zhenhai Rd, Xiamen 361000, Peoples R China