Published on in Vol 17, No 7 (2015): July
1 Center for Behavioral Intervention Technologies (CBITs), Northwestern University, Chicago, IL, United States
2 Office of Behavioral and Social Sciences Research, National Institutes of Health, Washington DC, DC, United States
3 Department of Psychiatry, Northwestern University, Chicago, IL, United States
4 Department of Psychology and Pedagogy, Vrije Universiteit, Amsterdam, Netherlands
5 Department of Psychiatry, Columbia University, New York, NY, United States
6 Department of Preventive Medicine, Northwestern University, Chicago, IL, United States
7 Mailman School of Public Health, Columbia University, New York, NY, United States