1. Department of Microbiology and Immunology, Lineberger Comprehensive Cancer Center Program in Global Oncology, Center for AIDS Research (CfAR), School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
2. MRL, Merck & Co., Inc., Kenilworth, New Jersey, USA
3. Department of Pediatrics, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA