1. Singapore Immunology Network, Agency for Science, Technology and Research (A*STAR), Singapore 138648, Singapore.
2. Department of Medicine, University of Massachusetts Medical School, Worcester, MA 01655, USA.
3. Tulane National Primate Research Center, Covington, LA 70433, USA.
4. Public Health Research Institute of Rutgers Biomedical and Health Sciences, Rutgers University, Newark, NJ 07103, USA.
5. New York City College of Technology, Brooklyn, NY 11201, USA.
6. Louisiana State University School of Veterinary Medicine, Baton Rouge, LA 70803, USA.
7. Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore.