About the Authors

John Archer, David L. Robertson
Faculty of Life Sciences, University of Manchester, Manchester, United Kingdom

Andrew Rambaut
Institute of Evolutionary Biology, University of Edinburgh, Edinburgh, United Kingdom

Bruce E. Taillon
454 Life Sciences, Branford, Connecticut, United States of America

P. Richard Harrigan
British Columbia Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada

P. Richard Harrigan
Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada

Marilyn Lewis
Pfizer Global Research and Development, Sandwich, United Kingdom

Corresponding Author

david.robertson@manchester.ac.uk

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ML DLR. Performed the experiments: JA BET PRH. Analyzed the data: JA DLR. Contributed reagents/materials/analysis tools: AR. Wrote the paper: JA ML DLR.