[1] NYU, New York Spine Inst, Langone Med Ctr, Dept Orthopaed,Div Spine, New York, NY USA
[2] NYU, Langone Med Ctr, New York Spine Inst, Dept Neurol Surg,Div Spine, New York, NY USA
[3] Hosp Special Surg, Dept Orthoped, New York, NY USA
[4] Northwell Hlth, Lenox Hill Hosp, Dept Orthopaed, New York, NY USA
[5] Johns Hopkins Med Ctr, Dept Orthopaed Surg, Baltimore, MD USA
[6] Norton Leatherman Spine Ctr, Louisville, KY USA
[7] Presbyterian St Lukes Rocky Mt Hosp Children, Dept Spine Surg, Denver Int Spine Clin, Presbyterian St, Denver, CO USA
[8] Swedish Neurosci Inst, Dept Orthopaed Surg, Seattle, WA USA
[9] Univ Kansas, Med Ctr, Dept Orthopaed Surg, Kansas City, KS USA
[10] Univ Virginia, Dept Neurosurg, Charlottesville, VA USA
[11] Univ Calif San Francisco, Dept Neurol Surg, San Francisco, CA USA
[12] Southwest Scoliosis Ctr, Dept Orthopaed Surg, Dallas, TX USA
[13] Southwest Scoliosis Ctr, Dept Orthopaed Surg, Dallas, TX USA
[14] Univ Pittsburgh, Sch Med, Dept Neurol Surg, Pittsburgh, PA USA
[15] NYU, Orthoped Hosp, New York Spine Inst, Langone Med Ctr,Sch Med, New York, NY 10016 USA