1. UCD-Centre for Food Safety, School of Public Health, Physiotherapy & Sports Science, University College Dublin, Belfield, Dublin D04 N2E5, Ireland
2. National Infection Services, Public Health England, 61 Colindale Avenue, London NW9 5HT, UK
3. Department of Microbiology, St Vincent's University Hospital, 196 Merrion Road, Elm Park, Dublin D04 T6F4, Ireland
4. Institute for Global Food Security, Queen’s University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL, UK