About the Authors
Institute of Evolutionary Biology, School of Biological Sciences, University of Edinburgh, Edinburgh, Scotland
Chelsea and Westminster Hospital, London, United Kingdom
ALP reports receiving consulting and lecture fees from Bristol-Myers Squibb, Gilead Sciences, and GlaxoSmithKline. The other authors declare that they have no competing interests.
FL and AJLB designed the study, and FL performed preliminary analyses. GJH analyzed the data and prepared the results for publication. AR developed the BEAST software and provided advice and assistance for data analysis. ALP recruited study subjects and supervised clinical care. All authors contributed to writing the paper.