1 Infection Control Unit, Mater Dei Hospital, Msida, Malta
2 World Health Organization, Geneva, Switzerland
3 Department of Infectious Diseases, Tan Tock Seng Hospital, Singapore, Singapore
4 Department of Health Information and Research, Ministry of Health, Valletta, Malta
5 Infectious Diseases Unit and Microbiology, Canberra Hospital, Canberra, Australia
6 Radboud University Medical Center, Nijmegen, The Netherlands
7 National Healthcare Groups Polyclinics, Singapore, Singapore
8 Infection Control, Singapore General Hospital, Singapore, Singapore
9 Faculty of Medicine and Health Sciences, Stellenbosch University, Cape town, South Africa
10 Division of Infectious Diseases, National University of Singapore, Singapore, Singapore
11 Department of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, Basel, Switzerland