[1] North Sichuan Med Coll, Affiliated Hosp, Sichuan Key Lab Med Imaging, Nanchong, Peoples R China
[2] North Sichuan Med Coll, Affiliated Hosp, Dept Radiol, Nanchong, Peoples R China
[3] North Sichuan Med Coll, Affiliated Hosp, Dept Pathophysiol, Nanchong, Peoples R China
[4] North Sichuan Med Coll, Biol Grp, Nanchong, Peoples R China
[5] North Sichuan Med Coll, Sichuan Key Lab Med Imaging, Nanchong, Peoples R China
[6] Chinese Acad Med Sci, Radiol Dept, Peking Union Med Coll Hosp, Beijing, Peoples R China