[Zou, Yingjie; Tang, Xiangqi; Huang, Xiangyan; Yang, Li] Cent South Univ, Xiangya Hosp 2, Dept Neurol, Changsha, Hunan, Peoples R China.
[Zou, Yingjie] Hunan Univ Chinese Med, Coll Acupuncture & Moxibust, Changsha, Hunan, Peoples R China.
[Sun, James; Woo, John H.; Bai, Harrison Xiao] Hosp Univ Penn, Dept Radiol, 3400 Spruce St, Philadelphia, PA 19104 USA.
[Zhou, Yangying] Cent South Univ, Xiangya Hosp, Dept Oncol, Changsha, Hunan, Peoples R China.
[Babu, Ranjith] Duke Univ Hosp, Dept Neurosurg, Durham, NC USA.