Witiw CD, Tetreault LA, Smieliauskas F, Kopjar B, Massicotte EM, Fehlings MG. Surgery for degenerative cervical myelopathy: a patient-centered quality of life and health economic evaluation. Spine J. 2017 Jan;17(1):15-25. doi: 10.1016/j.spinee.2016.10.015