1 The School of Medicine and Manchester Academic Health Sciences Centre, University of Manchester, Manchester M14 4PX, UK; Department of Diabetes and Endocrinology, Salford Royal NHS Foundation Trust, Salford, UK. Electronic address: adrian.heald@manchester.ac.uk.
2 RES Consortium, Andover, UK.
3 Thyroid Research Group, Systems Immunity Research Institute, Cardiff University School of Medicine, Cardiff, UK.