1. Department of Pathology; The Pathology Centre; Queen Elizabeth Hospital; Gateshead Tyne and Wear UK
2. UK NEQAS CPT; Department of Pathology; The Pathology Centre; Queen Elizabeth Hospital; Gateshead Tyne and Wear UK
3. Department of Cytology; Royal Hallamshire Hospital; Sheffield UK
4. The Royal Oldham Hospital; Oldham Lancashire UK