1. Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 636921, Singapore
2. Department of Pharmacy, Singapore General Hospital, Singapore 169608, Singapore
3. Department of Microbiology, Singapore General Hospital, Singapore 169608, Singapore
4. Saw Swee Hock School of Public Health, National University of Singapore, Singapore 117549, Singapore
5. Centre for Biomedical Informatics, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 636921, Singapore
6. Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A*STAR), Singapore 138648, Singapore