Published on in Vol 7, No 7 (2018): July
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/9850, first published
.
![Toward Increasing Engagement in Substance Use Data Collection: Development of the Substance Abuse Research Assistant App and Protocol for a Microrandomized Trial Using Adolescents and Emerging Adults Toward Increasing Engagement in Substance Use Data Collection: Development of the Substance Abuse Research Assistant App and Protocol for a Microrandomized Trial Using Adolescents and Emerging Adults](https://asset.jmir.pub/assets/d80518f4e6e7b24d5e68953fc9b4a6c1.png 480w,https://asset.jmir.pub/assets/d80518f4e6e7b24d5e68953fc9b4a6c1.png 960w,https://asset.jmir.pub/assets/d80518f4e6e7b24d5e68953fc9b4a6c1.png 1920w,https://asset.jmir.pub/assets/d80518f4e6e7b24d5e68953fc9b4a6c1.png 2500w)
There are currently no tweets available for this article within the specified range.