Hillier, F., Batterham, A., Crooks, S., Moore, H., & Summerbell, C. (2012). The development and evaluation of a novel Internet-based computer program to assess previous-day dietary and physical activity behaviours in adults : the Synchronised Nutrition and Activity Program for Adults (SNAPA™). British Journal of Nutrition, 107(8), 1221-1231. https://doi.org/10.1017/s0007114511004090