1. Department of Clinical Medicine, University of Insubria, Varese, Italy.
2. Department of Ophthalmology, Academic Medical Center, Amsterdam, the Netherlands.
3. Department of Ophthalmology, Royal Victoria Infirmary, Newcastle upon Tyne, United Kingdom.
4. Department of Ophthalmology, University of Essen, Essen, Germany.
5. Medical School, University of Newcastle upon Tyne, Newcastle upon Tyne, United Kingdom.
6. Department of Endocrinology, University of Pisa, Pisa, Italy.
7. Orbital Center, Department of Ophthalmology, Academic Medical Center, Amsterdam, the Netherlands.
8. Department of Endocrinology, Freeman Hospital, Newcastle upon Tyne, United Kingdom.
9. University Department of Ophthalmology, Ahepa Hospital, Thessaloniki, Greece.
10. Department of Ophthalmology, Université Catholique de Louvain, Cliniques Universitaires, Brussels, Belgium.
11. Department of Ophthalmology, University of Milan, Milan, Italy.
12. Université Catholique de Louvain, Cliniques Universitaires, Brussels, Belgium.
13. Department of Medicine I, Gutenberg University Hospital, Mainz, Germany.
14. Department of Endocrinology, Panagia General Hospital, Thessaloniki, Greece.
15. Cardiff Eye Unit, University Hospital of Wales, Heath Park, Cardiff, United Kingdom.
16. School of Medicine, Cardiff University, Llandough Hospital, Cardiff, United Kingdom.
17. Department of Neuroscience, Section of Ophthalmology, University of Pisa, Pisa, Italy.
18. Department of Endocrinology, Centre Hospitalier Lyon-Sud, Lyon, France.
19. School of Clinical Medical Sciences, Newcastle University, Newcastle upon Tyne, United Kingdom.
20. Department of Ophthalmology, Johannes Gutenberg-University, Mainz, Germany.
21. Department of Medical Sciences, University of Milan, Milan, Italy.
22. Department of Ophthalmology, University of Insubria, Varese, Italy.
23. Department of Endocrinology, Solothurner Spitaler, Switzerland.
24. Interdisziplinares Zentrum fur Endokrine Orbitopathie, Olten, Switzerland.
25. Department of Endocrinology, Academic Medical Center, Amsterdam, the Netherlands.