Funding for this research was provided by:
National Institutes of Health (R01 AI050243)
National Institutes of Health (D43 TW001505)
National Institutes of Health (U19 AI129326)
National Institutes of Health (U19 AI089672)
Article History
Received: 19 December 2017
Accepted: 18 April 2018
First Online: 23 April 2018