1. Department of Biochemistry; Hospital Universitario “V Macarena”; Seville Spain
2. Department of Biochemistry; King's College Hospital and King's Health Partners; London UK
3. Department of Endocrinology; King's College Hospital and King's Health Partners; London UK
4. Department of Endocrinology and Medicine; Medical University; Gdansk Poland
5. Department of Endocrine Surgery; King's College Hospital and King's Health Partners; London UK
6. Department of Surgery; John Curtin School of Medical Research; Australian National University; Canberra ACT Australia
7. Department of Histopathology; King's College Hospital and King's Health Partners; London UK