About the Authors
Foodwiki, Ann Arbor, Michigan, United States of America
PJW, LF, and AB are employed at Foodwiki. However, this employment does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.
Conceived and designed the experiments: PJW LF AB. Performed the experiments: PJW. Analyzed the data: PJW AB. Contributed reagents/materials/analysis tools: PJW LF AB. Wrote the paper: PJW.