1. Division of Endocrinology and Diabetes, Stadtspital Triemli, Zurich, Switzerland
2. Nuclear Medicine, Oncology Institute of Southern Switzerland and Competence Centre for Thyroid Diseases, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
3. Division of Endocrinology and Diabetes, Kantonsspital St Gallen, Switzerland
4. Division of Endocrinology and Diabetes, University Hospital Basel, Switzerland
5. Nuclear Medicine, Stadtspital Triemli, Zurich, Switzerland
6. Interdisciplinary Thyroid Centre, Division of Nuclear Medicine, University Hospital Zurich, Switzerland
7. Division of Nuclear Medicine and Division of Endocrinology and Diabetes, University Hospital Bern, Switzerland
8. Clinic for Surgery, University Hospital Basel, Switzerland
9. Clinic for Surgery, University Hospital Geneva, Switzerland
10. Clinic for Surgery, Kantonsspital St Gallen, Switzerland
11. Division of Endocrinology and Diabetes, Kantonsspital Liestal, Switzerland
12. Pathology, University Hospital Bern, Switzerland
13. Pathology, Stadtspital Triemli, Switzerland