. 2015 Jun 23;6(3):e00842-15. doi: 10.1128/mBio.00842-15
Copyright © 2015 Beernink et al.
This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-ShareAlike 3.0 Unported license, which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original author and source are credited.