1. Duke Human Vaccine Institute, Duke Center for HIV/AIDS Vaccine Immunology–Immunogen Discovery, Duke University School of Medicine, Durham, NC, USA.
2. Department of Immunology and Microbiology, Scripps Center for HIV/AIDS Vaccine Immunology–Immunogen Discovery, International AIDS Vaccine Initiative Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, USA.
3. Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard University, Cambridge, MA, USA.