Funding for this research was provided by:
National Institute of Mental Health (R01 MH115715)
Received: 13 January 2021
Accepted: 22 April 2021
First Online: 2 May 2021
: This study was approved by the Institutional Review Board at Drexel University (IRB protocol: 1607004653). Written informed consent will be obtained by all participants.
: Not applicable.
: The sponsor has no role in the design of the study; in the collection, analysis, or interpretation of the data; and in the writing of the manuscript. Diana Robins and Deborah Fein are co-owners of M-CHAT LLC, which receives royalties from parties that have a license to use the M-CHAT in electronic products. No royalties were received for any of the data presented in the current study. Dr. Robins also serves on the advisory board of Quadrant Bioscience, Inc. Dr. Vivanti receives royalties from the book <i>Implementing the Group-based Early Start Denver Model for Young Children with Autism</i>. The remaining authors declare that they have no competing interests.