Corrigendum: Swanson MA, Coughlin CR Jr, Scharer GH, et al: Biochemical and molecular predictors for prognosis in nonketotic hyperglycinemia. Ann Neurol 2015;78:606–618. Issue 3 (12th February 2016) - Swanson, Michael A.; Coughlin, Curtis R.; Van Hove, Johan L. K.