Editorial: Repair of the injured human spinal cord, response - Wu, Jau-Ching; Huang, Wen-Cheng; Chen, Yu-Chun; Tu, Tsung-Hsi; Tsai, Yun-An; Huang, Shih-Fong; Huang, Hsueh-Chen; Cheng, Henrich (Journal of neurosurgery. Spine, 2011)