1. Department of Infectious Diseases and Public Health Jockey Club College of Veterinary Medicine and Life Sciences City University of Hong Kong Kowloon Hong Kong
2. State Key Lab of Chemical Biology and Drug Discovery Department of Applied Biology and Chemical Technology The Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong
3. Department of Clinical Laboratory Second Affiliated Hospital of Zhejiang University School of Medicine Zhejiang Hangzhou 310027 China
4. Department of Clinical Laboratory Zhejiang Provincial People's Hospital Hangzhou 310027 China
5. Department of Management Science and Information Systems Rutgers University Piscataway NJ 08854 USA