Published on in Vol 22, No 9 (2020): September
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/19898, first published
.
1 Center for Child Health, Behavior and Development, Seattle Children's Research Institute, Seattle, WA, United States
2 Center for Behavioral Health & Technology, Department of Psychiatry and Neurobehavioral Sciences, University of Virginia School of Medicine, Charlottesville, VA, United States