ERRATUM
Volume 7, no. 4, doi:10.1128/mBio.01127-16, 2016. The second author’s name was spelled incorrectly in the article byline. The byline should appear as shown above.
Volume 7, no. 4, doi:10.1128/mBio.01127-16, 2016. The second author’s name was spelled incorrectly in the article byline. The byline should appear as shown above.