About the Authors

David A. Hanauer

Affiliation University of Michigan, Department of Pediatrics & Communicable Diseases, Ann Arbor, Michigan, United States of America

Melissa Gardner

Affiliation University of Michigan, Pediatrics & Communicable Diseases and Child Health Evaluation & Research (CHEAR) Unit, Ann Arbor, Michigan, United States of America

David E. Sandberg

dsandber@med.umich.edu

Affiliation University of Michigan, Pediatrics & Communicable Diseases and Child Health Evaluation & Research (CHEAR) Unit, Ann Arbor, Michigan, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DAH MG DES. Performed the experiments: DAH MG DES. Analyzed the data: DAH MG DES. Contributed reagents/materials/analysis tools: DAH MG DES. Contributed to the writing of the manuscript: DAH MG DES.