About the Authors
- Sonia A. Kjos, Stephanie A. Irving, Jennifer K. Meece, Edward A. Belongia
- Marshfield Clinic Research Foundation, Marshfield, Wisconsin, United States of America
EAB and JKM receive research funding from MedImmune, LLC. This does not alter the authors’ adherence to all PLOS ONE policies on sharing data and materials.
Conceived and designed the experiments: EAB SAK SAI. Performed the experiments: SAK SAI JKM. Analyzed the data: SAK SAI EAB. Contributed reagents/materials/analysis tools: JKM. Wrote the paper: SAK EAB.