@article{7eb9e670cfcb4500a8783c7d431627e6,
title = "A Smartphone App Combining Global Positioning System Data and Ecological Momentary Assessment to Track Individual Food Environment Exposure, Food Purchases, and Food Consumption: Protocol for the Observational FoodTrack Study",
author = "MP Poelman and \{van Lenthe\}, Frank and S Scheider and CBM Kamphuis",
year = "2020",
doi = "10.2196/15283",
language = "English",
volume = "9",
journal = "JMIR Research Protocols",
issn = "1929-0748",
publisher = "JMIR Publications Inc.",
number = "1",
}