1. Alpha StatConsult, LLC, Damascus, Maryland.
2. School of Mathematical Sciences, Rochester Institute of Technology, Rochester, New York.
3. Department of Medicine, David Geffen School of Medicine at UCLA, Center for HIV Prevention Research, UCLA AIDS Institute, Los Angeles, California.
4. School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.
5. Magee Womens Research Institute, Pittsburgh, Pennsylvania.
6. CONRAD, Eastern Virginia Medical School, Norfolk and Arlington, Virginia.
7. Division of Infectious Diseases, Faculty of Medicine, Imperial College, London, United Kingdom.
8. Division of Pediatric Gastroenterology, Hepatology, and Nutrition, University of Southern California, Los Angeles, California.
9. Guys and St. Thomas' NHS Foundation Trust, London, United Kingdom.
10. Advanced Bioscience Laboratories, Gaithersburg, Maryland.