[1] Univ Missouri, Dept Hlth Psychol, Columbia, MO 65211 USA
[2] Univ Missouri, Thompson Ctr Autism & Neurodev Disorders, Columbia, MO 65211 USA
[3] Univ Missouri, Off Social & Econ Data Anal, Columbia, MO 65211 USA
[4] Ctr Dis Control & Prevent, Natl Ctr Birth Defects & Dev Disabil, 4770 Buford Hwy,Mail Stop S106-4, Atlanta, GA 30341 USA
[5] Univ Missouri, Sch Hlth Profess, 4323 E Ravens Ridge Dr, Columbia, MO 65211 USA
[6] Univ Missouri, Sch Hlth Profess, 401 Lewis Hall, Columbia, MO 65211 USA
[7] Univ Missouri, Inst Publ Policy, 137 Middlebush, Columbia, MO USA