Mamiya, H., Moodie, E., Jahagirdar, D., & Buckeridge, D. (2016). Towards Automated Risk-Factor Surveillance: Using Digital Grocery Purchasing Data to Measure Socioeconomic Inequalities in the Impact of In-Store Price Discounts on Dietary Choice. Online Journal of Public Health Informatics, 8(1). https://doi.org/10.5210/ojphi.v8i1.6481