[1] Kennedy Krieger Inst, Baltimore, MD 21211 USA
[2] Johns Hopkins Univ, Sch Med, Dept Psychiat & Behav Sci, Baltimore, MD 21287 USA
[3] Johns Hopkins Univ, Baltimore, MD 21218 USA
[4] Massachusetts Gen Hosp Children, Ctr Child & Adolescent Hlth Res & Policy, Boston, MA 02114 USA
[5] Univ Missouri, Dept Hlth Psychol, Columbia, MO 65212 USA
[6] Thompson Ctr Autism & Neurodev Disorders, Columbia, MO 65201 USA
[7] Childrens Hosp Philadelphia, Div Dev & Behav Pediat, Philadelphia, PA 19104 USA
[8] Cincinnati Childrens Hosp Med Ctr, Div Child & Adolescent Psychiat, Cincinnati, OH 45229 USA
[9] Stanford Univ, Dept Psychiat & Behav Sci, Stanford, CA 94304 USA
[10] Permanente Med Grp Inc, Oakland, CA USA