[1] Univ South Carolina, Dept Psychol, Columbia, SC USA
[2] Univ South Carolina, Carolina Autism & Neurodev Res Ctr, Columbia, SC USA
[3] Univ South Carolina, Rural & Minor Hlth Res Ctr, Columbia, SC USA
[4] Univ South Carolina, Dept Epidemiol & Biostat, Columbia, SC USA
[5] Drexel Univ, Dept Hlth Management & Policy, Philadelphia, PA USA