1. The Christie Pathology Partnership; The Christie NHS Foundation Trust; Manchester UK
2. Department of Endocrinology; The Christie NHS Foundation Trust; Manchester UK
3. Department of Laboratory Medicine; UK NEQAS [Edinburgh]; Royal Infirmary of Edinburgh; Edinburgh UK
4. Faculty of Life Sciences & Medical and Human Sciences; University of Manchester; Manchester UK
5. Centre for Endocrinology & Diabetes; Institute of Human Development; University of Manchester; Manchester Academic Health Science Centre; Manchester UK