[1] Univ Alabama Birmingham, Dept Neurosurg, Birmingham, AL 35294 USA
[2] Harvard Med Sch, Dept Global Hlth & Social Med, Program Global Surg & Social Change, Boston, MA 02115 USA
[3] Boston Childrens Hosp, Dept Neurosurg, Boston, MA 02115 USA
[4] Harvard Med Sch, Boston, MA 02115 USA
[5] Mt Sinai Hlth Syst, Dept Neurosurg, New York, NY USA
[6] Duke Univ, Med Ctr, Dept Neurosurg, Durham, NC USA
[7] Mulago Natl Referral Hosp, Kampala, Uganda
[8] Vanderbilt Univ, Dept Neurosurg, 221 Kirkland Hall, Nashville, TN 37235 USA
[9] Hosp Sick Kids, Dept Neurosurg, Toronto, ON, Canada