[Yang, Ping; Liu, Bo; Liu, Kun; Liu, Hua; Zou, Shucheng; Li, Ling; Huang, Hongxing] Hunan Univ Chinese Med, Hunan Brain Hosp, Dept Neurosurg, Clin Med Sch, Changsha, Hunan, Peoples R China.
[Li, Liang; Li, Feng; Huang, Huiyong] Hunan Univ Chinese Med, Prov Key Lab TCM Diagnost, Changsha, Hunan, Peoples R China.
[Zhang, Wei] Hunan Univ Chinese Med, Discipline Chinese & Western Integrat Med, Changsha, Hunan, Peoples R China.
[Li, Feng] Univ Calif Los Angeles, Sch Dent, Los Angeles, CA 90024 USA.