There was an error in the author byline. Author Julie C. Dunning Hotopp was inadvertently excluded. The author's affiliation is: 5 J. Craig Venter Institute (JCVI), Rockville, Maryland, United States of America, and the author's current address is: Institute of Genomic Sciences, University of Maryland School of Medicine, Baltimore, Maryland, United States of America. The author's order in the byline is sixth and the author's contributions are: Performed the experiments, analyzed the data, and contributed reagents/materials/analysis tools.
Footnotes
Competing Interests: No competing interests declared.