Published on in Vol 5, No 12 (2021): December
![Campus Smoking Policies and Smoking-Related Twitter Posts Originating From California Public Universities: Retrospective Study Campus Smoking Policies and Smoking-Related Twitter Posts Originating From California Public Universities: Retrospective Study](https://asset.jmir.pub/assets/fe0a2312f7c34aec4c7a62cd91792e35.png 480w,https://asset.jmir.pub/assets/fe0a2312f7c34aec4c7a62cd91792e35.png 960w,https://asset.jmir.pub/assets/fe0a2312f7c34aec4c7a62cd91792e35.png 1920w,https://asset.jmir.pub/assets/fe0a2312f7c34aec4c7a62cd91792e35.png 2500w)
1 Department of Public Health, California State University Fullerton, Fullerton, CA, United States
2 Global Health Policy and Data Institute, San Diego, CA, United States
3 Department of Anesthesiology, University of California San Diego, San Diego, CA, United States
4 S-3 Research, San Diego, CA, United States
5 Global Health Program, Department of Anthropology, University of California, San Diego, La Jolla, CA, United States
6 Center for Humans and Machines, Max Planck Institute for Human Development, Berlin, Germany