[1] Chinese PLA, Dept Gastroenterol, Med Ctr 2, Beijing 100853, Peoples R China
[2] Chinese Peoples Liberat Army Gen Hosp, Int Headache Ctr, Fuxing Rd 28, Beijing 100853, Peoples R China
[3] Chinese Peoples Liberat Army, 940 Hosp Joint Logist Support Force, Dept Neurol, Lanzhou, Gansu, Peoples R China
[4] Univ Shanghai Sci & Technol, Sch Hlth Sci & Engn, Shanghai, Peoples R China
[5] Xingtai Peoples Hosp, Dept Neurol, Xingtai, Hebei, Peoples R China
[6] Jining Med Univ, Affiliated Hosp, Dept Neurol, Jining, Shandong, Peoples R China
[7] Henan Univ Tradit Chinese Med, Affiliated Hosp 1, Dept Neurol, Zhengzhou, Peoples R China
[8] First Affiliated Hosp Zhengzhou Univ, Dept Neurol, Zhengzhou, Henan, Peoples R China
[9] Gen Hosp Northern Theatre Command, Dept Neurol, Shenyang, Peoples R China
[10] Hebei Gen Hosp, Dept Neurol, Shijiazhuang, Hebei, Peoples R China
[11] Chinese Peoples Liberat Army Gen Hosp, Beijing Key Lab Aging & Geriatr, Med Ctr 2, Inst Geriatr,Natl Clin Res Ctr Geriatr Dis, Beijing, Peoples R China
[12] Chinese Peoples Liberat Army Gen Hosp, Med Ctr 1, Dept Neurol, Fuxing Rd 28, Beijing 100853, Peoples R China