[1] W Virginia Univ, Dept Neurosurg, Morgantown, WV 26506 USA
[2] W Virginia Univ, Dept Neurol, Morgantown, WV 26506 USA
[3] CURE Childrens Hosp Uganda, Mbale, Uganda
[4] Alfred I duPont Hosp Children, Div Neurosurg, Wilmington, DE USA
[5] Thomas Jefferson Univ, Dept Neurosurg, Philadelphia, PA 19107 USA
[6] Wheeling Hosp, Dept Pathol, Wheeling, WV USA
[7] Monash Univ, Alfred Hosp, Dept Neurol, Melbourne, Vic 3181, Australia
[8] Monash Univ, Alfred Hosp, Dept Surg, Melbourne, Vic 3181, Australia
[9] Benedictine Eye Hosp, Tororo, Uganda
[10] McGill Univ, Montreal Neurol Inst & Hosp, Dept Neurol, Montreal, PQ, Canada
[11] McGill Univ, Montreal Neurol Inst & Hosp, Dept Neurosurg, Montreal, PQ, Canada