1. Department of Virology and Molecular Pathology, Coventry and Warwickshire Pathology Services, University Hospitals Coventry and Warwickshire NHS Trust, Clifford Bridge Road, Coventry CV2 2DX, UK
2. Integrated Sexual Health Services, Coventry and Warwickshire Partnership NHS Trust, City of Coventry Health Centre, Stoney Stanton Road, Coventry CV1 4FS, UK