[1] Cincinnati Childrens Hosp Med Ctr, Dept Rehabil Med, Cincinnati, OH 45229 USA
[2] Cincinnati Childrens Hosp Med Ctr, Dept Stat, Cincinnati, OH 45229 USA
[3] Cincinnati Childrens Hosp Med Ctr, Dept Biostat & Epidemiol, Cincinnati, OH 45229 USA
[4] Univ Cincinnati, Coll Med, Dept Pediat, Cincinnati, OH USA
[5] Univ Cincinnati, Coll Med, Dept Neurol, Cincinnati, OH USA
[6] Univ Cincinnati, Coll Med, Dept Rehabil, Cincinnati, OH USA
[7] Univ Cincinnati, Dept Pediat, Cincinnati, OH USA
[8] Univ Cincinnati, Dept Math Sci, Cincinnati, OH USA
[9] Nationwide Childrens Hosp, Res Inst, Dept Pediat, Columbus, OH USA
[10] Univ Calgary, Hotchkiss Brain Inst, Alberta Childrens Hosp Res Inst, Calgary, AB, Canada
[11] Univ Calgary, Dept Psychol, Calgary, AB, Canada
[12] Dept Stat, Columbus, OH USA
[13] Ohio State Univ, Columbus, OH 43210 USA