Published on in Vol 1, No 2 (2012): Jul-Dec
1 Ringful Health, LLC, Austin, TX, United States
2 University of Texas School of Public Health, Division of Health Promotion and Behavioral Sciences, Austin Regional Campus, Austin, TX, United States
3 Texas State University, Department of Computer Information Systems & Quantitative Methods, San Marcos, TX, United States
4 Michael & Susan Dell Center for Healthy Living, Austin, TX, United States
5 Memorial Sloan-Kettering Cancer Center, Department of Epidemiology and Biostatistics, New York, NY, United States
*all authors contributed equally