1. Department of Medical Microbiology and Infectious Diseases, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB, R3E 0J9, Canada
2. IHMA, Schaumburg, IL, 60173, USA
3. Global Medical & Scientific Affairs, MSD (Asia) Ltd., Hong Kong
4. MSD, Taipei, Taiwan, ROC
5. Department of Microbiology, University of Hong Kong, Hong Kong
6. School of Public Health, WHO Collaborating Centre, University of Hong Kong, Hong Kong
7. Department of Microbiology, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong
8. Clinical Laboratories and Pathology, Hong Kong Adventist Hospital, Hong Kong
9. Merck & Co., Inc., Kenilworth, NJ 07033, USA