About the Authors

Minh Q. Nguyen

mqnguyen@mail.nih.gov

Affiliation Taste and Smell Section, Laboratory of Sensory Biology, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, Maryland, United States of America

Nicholas J. P. Ryba

Affiliation Taste and Smell Section, Laboratory of Sensory Biology, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MQN NJPR. Performed the experiments: MQN. Analyzed the data: MQN. Wrote the paper: MQN NJPR.