Published on in Vol 17 , No 7 (2015) :July

1 Columbia University, College of Physicians and Surgeons, Biomedical Informatics, Mailman School of Public Health, Sociomedical Sciences, New York, NY, US
2 Columbia University, Teachers College, Health and Behavior Studies, New York, NY, US
3 Mailman School of Public Health, Columbia University, Epidemiology, New York, NY, US
4 MD Anderson Cancer Center, Department of Clinical Cancer Prevention, Houston, TX, US
5 Columbia University, Community Engagement Resource, Irving Institute for Clinical & Translational Research, New York, NY, US
6 Columbia University, Center for New Media Teaching and Learning, New York, NY, US
7 Columbia University, Biomedical Informatics, New York, NY, US
8 Columbia University, College of Physicians and Surgeons, Medicine, Herbert Irving Comprehensive Cancer Center, New York, NY, US