[1] Tianjin Univ Commerce, Sch Informat Engn, Tianjin, Peoples R China
[2] Tianjin Univ Commerce, Sch Sci, Tianjin, Peoples R China
[3] Qingdao Univ, Qingdao Cent Hosp, Dept Mol Imaging, Qingdao, Peoples R China
[4] Tianjin Med Univ Gen Hosp, Dept Radiol, Tianjin, Peoples R China
[5] Tianjin Med Univ Gen Hosp, Tianjin Key Lab Funct Imaging, Tianjin, Peoples R China