1. Public Health Wales Microbiology Cardiff, University Hospital of Wales, Cardiff, UK
2. Intensive Care Medicine, University Hospital of Wales, Heath Park, Cardiff, UK
3. Department of Pharmacy, University Hospital of Wales, Cardiff, UK
4. Public Health Wales Microbiology Swansea, Singleton Hospital, Swansea, UK
5. Cwm Taf Microbiology Department, Royal Glamorgan, Ynysmaerdy, Rhondda Cynon Taf, UK
6. Aneurin Bevan Microbiology Department, Royal Gwent Hospital, Newport, Gwent, UK