[1] Univ Missouri Hosp & Clin, Dept Neurol Surg, Div Neurol Surg, Columbia, MO 65212 USA
[2] Univ Missouri Hosp & Clin, Dept Pediat Neurosurg, Columbia, MO 65212 USA
[3] Univ Missouri Hosp & Clin, Dept Plast Surg, Columbia, MO 65212 USA
[4] Univ Missouri Hosp & Clin, Dept Neurosurg, Columbia, MO 65212 USA
[5] Univ Missouri Hosp & Clin, Dept Plast & Reconstruct Surg, Columbia, MO 65212 USA
[6] Univ Missouri Hosp & Clin, Ctr Craniofacial Disorders, Columbia, MO 65212 USA