1. Department of Laboratory Medicine, Tan Tock Seng Hospital, Singapore
2. National Centre for Infectious Diseases, Singapore
3. Department of Infectious Diseases, Tan Tock Seng Hospital, Singapore
4. Minneapolis Veterans Affairs Health Care System, Minneapolis, Minnesota, USA
5. University of Minnesota, Minneapolis, Minnesota, USA
6. Division of Clinical Microbiology, Mayo Clinic, Rochester, Minnesota, USA
7. Department of Pharmacy, National University of Singapore, Singapore
8. Department of Pharmacy, Tan Tock Seng Hospital, Singapore
9. Division of Infectious Diseases, Mayo Clinic, Rochester, Minnesota, USA
10. Department of Medicine, Division of Infectious Diseases and International Medicine, University of Minnesota, Minneapolis, Minnesota, USA
11. Division of Infectious Diseases, Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, Tennessee, USA