About the Authors

Wasif A. Khan

wakhan@icddrb.org

Affiliation Centre for Vaccine Sciences, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr, b), Dhaka, Bangladesh

Jeffrey K. Griffiths

Affiliation Department of Public Health and Community Medicine, School of Medicine, Tufts University School of Medicine, Boston, Massachusetts, United States of America

Michael L. Bennish

Affiliation Mpilonhle, Mtubatuba, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WAK JKG MLB. Performed the experiments: WAK JKG MLB. Analyzed the data: WAK MLB. Contributed reagents/materials/analysis tools: WAK JKG MLB. Wrote the paper: WAK JKG MLB.