[1] Fujian Med Univ, Affiliated Hosp 2, Dept Ultrasound, 34 North Zhongshan Rd, Quanzhou 362000, Fujian, Peoples R China
[2] Fujian Med Univ, Affiliated Hosp 2, Ctr Neurol & Metab Res, Quanzhou, Peoples R China
[3] Garvan Inst Med Res, Grp Neuroendocrinol, Sydney, Australia
[4] Quanzhou Med Coll, Dept Med Imaging, Quanzhou, Peoples R China