1 Department of Microbiology and Infection, North Middlesex University Hospital, Sterling Way, London, N18 1QX, UK. Electronic address: sakib.rokadiya@nhs.net.
2 Department of Microbiology and Infection, North Middlesex University Hospital, Sterling Way, London, N18 1QX, UK.
3 Department of Radiology, North Middlesex University Hospital, Sterling Way, London, N18 1QX, UK.