About the Authors

Kevin R. McCarthy

Affiliations Harvard Program in Virology Harvard Medical School, Boston, Massachusetts, United States of America, Boston College, Biology Department, Chestnut Hill, Massachusetts, United States of America

Welkin E. Johnson

welkin.johnson@bc.edu

Affiliation Boston College, Biology Department, Chestnut Hill, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.