About the Authors

Manish M. Patel, Jacqueline Tate, Umesh D. Parashar
National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Andrew D. Clark, Colin F. B. Sanderson
London School of Hygiene and Tropical Medicine, London, United Kingdom

Corresponding Author

Aul3@CDC.GOV

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MP UP AC CS. Analyzed the data: MP CS AC. Contributed reagents/materials/analysis tools: MP AC CS JT UP. Wrote the first draft of the manuscript: MP. Contributed to the writing of the manuscript: MP AC CS JT UP. ICMJE criteria for authorship read and met: MP AC CS JT UP. Agree with manuscript results and conclusions: MP AC CS JT UP.