1 Department of Microbiology, Queen Mary Hospital, Hong Kong Special Administrative Region, China; Infection Control Team, Queen Mary Hospital, Hong Kong West Cluster, Hong Kong Special Administrative Region, China.
2 Infection Control Team, Queen Mary Hospital, Hong Kong West Cluster, Hong Kong Special Administrative Region, China.
3 Department of Microbiology, Queen Mary Hospital, Hong Kong Special Administrative Region, China.
4 Department of Microbiology, The University of Hong Kong, Hong Kong Special Administrative Region, China. Electronic address: [email protected].