Grading of complications after cervical deformity-corrective surgery: Are existing classification systems applicable?

Cole A. Bortz, Peter G. Passias, Frank A. Segreto, Samantha R. Horn, Renaud Lafage, Justin S. Smith, Breton G. Line, Gregory M. Mundis, Michael P. Kelly, Paul Park, Daniel M. Sciubba, D. Kojo Hamilton, Jeffrey L. Gum, Douglas C. Burton, Robert A. Hart, Frank J. Schwab, Shay Bess, Christopher Shaffrey, Eric O. Klineberg