1. Census and Statistics Department. The Government of the Hong Kong SAR. January 2012. http://www.censtatd.gov.hk [accessed 01.07.14].
2. Agricultural, Fisheries and Conservation Department Agriculture in HK. Last revision date 27 March 2012. Government of the Hong Kong SAR. http://www.afcd.gov.hk/english/agriculture/agr_hk/agr_hk.html [assessed 22.12.12].
3. Analysis and presentation of cumulative antimicrobial susceptibility test data; approved guideline;Clinical and Laboratory Standards Institute,2009
4. Equivalence testing for binomial random variables: which test to use?;Barker;Am Stat,2001
5. Carbapenemases in enterobacteria, Hong Kong, China 2009;Chu;Emerg Infect Dis,2011