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Acknowledgements
Data used in the analysis were collected as part of an online subscription-based gluten testing service (Gluten Free Watchdog, LLC). No funding was received for the analysis of the data or writing of the manuscript.
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Tricia Thompson is the owner/founder of Gluten Free Watchdog, LLC, Manchester, MA, USA. The other author declares no conflict of interest.
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Thompson, T., Simpson, S. A comparison of gluten levels in labeled gluten-free and certified gluten-free foods sold in the United States. Eur J Clin Nutr 69, 143–146 (2015). https://doi.org/10.1038/ejcn.2014.211
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DOI: https://doi.org/10.1038/ejcn.2014.211
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