1. Singapore Immunology Network, Agency for Science, Technology and Research (A*STAR), Singapore 138648, Singapore.
2. Tuberculosis Control Unit, Tan Tock Seng Hospital, Singapore 308089, Singapore.
3. Department of Endocrinology, Tan Tock Seng Hospital, Singapore 308433, Singapore.
4. Singapore Institute for Clinical Sciences, A*STAR, Singapore 117609, Singapore.
5. Public Health Research Institute at New Jersey Medical School, Rutgers University, Newark, NJ 07103, USA.
6. New York City College of Technology, Brooklyn, NY 11201, USA.
7. Department of Biological Sciences, National University of Singapore, Singapore 117543, Singapore.
8. Bill & Melinda Gates Foundation, Seattle, WA 98109, USA.
9. University Hospital Basel, University of Basel, Basel 4031, Switzerland.