[1] Shanghai Jiao Tong Univ, Xinhua Hosp, Sch Med, Dept Algol, Shanghai, Peoples R China
[2] Nanjing Med Univ, Affiliated Hosp 2, Dept Algol, Nanjing, Peoples R China
[3] Fujian Med Univ, Affiliated Hosp 1, Dept Algol, Fuzhou, Peoples R China
[4] Fujian Med Univ, Affiliated Hosp 1, Dept Neurosurg, Fuzhou, Peoples R China
[5] Qingdao Univ, Affiliated Hosp, Dept Algol, Qingdao, Peoples R China
[6] Sun Yat Sen Univ, Pain Res Ctr, Zhongshan Sch Med, Guangzhou, Peoples R China
[7] Nanjing Univ, Nanjing Drum Tower Hosp, Affiliated Hosp, Dept Pain Med,Med Sch, Nanjing, Peoples R China
[8] Fourth Mil Med Univ, Xijing Hosp, Dept Algol, Xian, Peoples R China
[9] Shenzhen Univ, Gen Hosp, Dept Neurosurg, Shenzhen, Peoples R China
[10] Xi An Jiao Tong Univ, Affiliated Hosp 1, Dept Algol, Xian, Peoples R China
[11] Chongqing Med Univ, Affiliated Hosp 1, Dept Algol, Chongqing, Peoples R China
[12] Chongqing Med Univ, Yibin Peoples Hosp Affiliated 1, Dept Algol, Yibin, Peoples R China
[13] Kunming Med Univ, Affiliated Hosp 1, Dept Algol, Kunming, Peoples R China
[14] Southwest Med Univ, Hosp TCM, Dept Algol, Luzhou, Peoples R China
[15] Capital Med Univ, Beijing Tiantan Hosp, Dept Algol, Beijing, Peoples R China
[16] Shanghai Jiao Tong Univ, Xinhua Hosp, Sch Med, Dept Algol, Shanghai 200092, Peoples R China
[17] Capital Med Univ, Beijing Tiantan Hosp, Dept Algol, Beijing 100070, Peoples R China