1. University of Virginia, Department of Biology , Charlottesville, VA , United States
2. U.S. Military HIV Research Program, Walter Reed Army Institute of Research , Silver Spring, MD , United States
3. Henry M. Jackson Foundation for the Advancement of Military Medicine Inc. , Bethesda, MD , United States
4. Florida International University, Department of Biological Sciences and Institute of Environment , Miami, FL , United States
5. Rutgers University, Department of Ecology, Evolution, and Natural Resources , New Brunswick, NJ , United States