[1] Keelung Chang Gung Mem Hosp, Keelung, Taiwan
[2] Natl Chiao Tung Univ, Coll Biol Sci & Technol, Hsinchu, Taiwan
[3] Linkou Chang Gung Mem Hosp, Taoyuan, Taiwan
[4] Chang Gung Univ, Coll Med, Taoyuan, Taoyuan County, Taiwan
[5] Chang Gung Univ, Dept Med Imaging & Radiol Sci, Taoyuan, Taiwan
[6] Univ Hong Kong, Inst Clin Neuropsychol, Hong Kong, Hong Kong, Peoples R China