[1] Univ So Calif, Keck Sch Med, Los Angeles, CA USA
[2] Childrens Hosp, Dept Psychiat, Los Angeles, CA 90027 USA
[3] Childrens Hosp, Dept Pediat, Los Angeles, CA 90027 USA
[4] Childrens Hosp, Dept Neurol, Los Angeles, CA 90027 USA
[5] Childrens Hosp, Dept Radiol, Los Angeles, CA 90027 USA
[6] Childrens Hosp, Dept Pathol, Los Angeles, CA 90027 USA