Published on in Vol 21, No 4 (2019): April
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/11166, first published
.
1 Oklahoma Tobacco Research Center, Oklahoma City, OK, United States
2 Oklahoma State University, Department of Psychology, Stillwater, OK, United States
3 University of Oklahoma Health Sciences Center, Department of Pediatrics, Oklahoma City, OK, United States