[1] Xuzhou Med Univ, Dept Neurosurg, Affiliated Hosp, Xuzhou 221006, Jiangsu, Peoples R China
[2] Fudan Univ, Huashan Hosp, Dept Neurosurg, 12 Wulumuqi Zhong Rd, Shanghai 200040, Peoples R China
[3] Ethicon Inc, Raritan, NJ 08869 USA
[4] Soochow Univ, Dept Neurosurg, Affiliated Hosp 1, Suzhou 215006, Jiangsu, Peoples R China
[5] Fujian Med Univ, Dept Neurosurg, Affiliated Hosp 1, Fuzhou 350005, Fujian, Peoples R China
[6] First Hosp Jilin Univ, Dept Neurosurg, Changchun 130499, Jilin, Peoples R China
[7] Guizhou Med Univ, Dept Neurosurg, Affiliated Hosp, Guiyang 550004, Guizhou, Peoples R China
[8] Tongji Hosp, Tongji Med Coll HUST, Dept Neurosurg, Wuhan 430014, Hubei, Peoples R China
[9] Zhengzhou Univ, Dept Neurosurg, Affiliated Hosp 1, Zhengzhou 450052, Henan, Peoples R China
[10] Southern Med Univ, Dept Neurosurg, Zhujiang Hosp, Guangzhou 510260, Guangdong, Peoples R China
[11] Johnson & Johnson Med Shanghai Co Ltd, Ethicon, Shanghai 200233, Peoples R China