[1] Univ Nebraska Med Ctr, Munroe Meyer Inst, Omaha, NE 68198 USA
[2] Kennedy Krieger Inst, Baltimore, MD 21205 USA
[3] Childrens Specialized Hosp, Somerset, NJ 08901 USA
[4] Rutgers State Univ, Grad Sch Appl & Profess Psychol, New Brunswick, NJ 08854 USA
[5] Rutgers State Univ, Childrens Specialized Hosp, Ctr Autism Res Educ & Serv, New Brunswick, NJ USA
[6] Rutgers Robert Wood Johnson Med Sch, New Brunswick, NJ USA