[1] Univ Insubria, Dept Clin Med, I-21100 Varese, Italy
[2] Acad Med Ctr, Dept Ophthalmol, NL-1100 DD Amsterdam, Netherlands
[3] Royal Victoria Infirm, Dept Ophthalmol, Newcastle Upon Tyne NE1 4LP, Tyne & Wear, England
[4] Univ Essen Gesamthsch, Dept Ophthalmol, D-45122 Essen, Germany
[5] Newcastle Univ, Sch Med, Newcastle Upon Tyne NE1 4LP, Tyne & Wear, England
[6] Univ Pisa, Dept Endocrinol, I-56124 Pisa, Italy
[7] Acad Med Ctr, Orbital Ctr, Dept Ophthalmol, NL-1100 DD Amsterdam, Netherlands
[8] Freeman Rd Hosp, Dept Endocrinol, Newcastle Upon Tyne NE1 4LP, Tyne & Wear, England
[9] Ahepa Hosp, Dept Ophthalmol, Thessaloniki 55132, Greece
[10] Catholic Univ Louvain, Dept Ophthalmol, B-1200 Brussels, Belgium
[11] Univ Milan, Dept Ophthalmol, I-20100 Milan, Italy
[12] Catholic Univ Louvain, Clin Univ, B-1200 Brussels, Belgium
[13] Gutenberg Univ Hosp, Dept Med 1, D-55131 Mainz, Germany
[14] Panagia Gen Hosp, Dept Endocrinol, Thessaloniki 55132, Greece
[15] Univ Wales Hosp, Cardiff Eye Unit, Cardiff CF64 4XX, Wales
[16] Cardiff Univ, Llandough Hosp, Sch Med, Cardiff CF64 4XX, Wales
[17] Univ Pisa, Sect Ophthalmol, Dept Neurosci, I-56124 Pisa, Italy
[18] Ctr Hosp Lyon Sud, Dept Endocrinol, Lyon, France
[19] Univ Newcastle, Sch Clin Med Sci, Newcastle Upon Tyne NE1 4LP, Tyne & Wear, England
[20] Johannes Gutenberg Univ Mainz, Dept Ophthalmol, D-55131 Mainz, Germany
[21] Univ Milan, Dept Med Sci, I-20100 Milan, Italy
[22] Univ Insubria, Dept Ophthalmol, I-21100 Varese, Italy
[23] Solothurner Spitaler, Dept Endocrinol, CH-4600 Olten, Switzerland
[24] Interdisziplinares Zentrum Endokrine Orbitopathie, CH-4600 Olten, Switzerland
[25] Acad Med Ctr, Dept Endocrinol, NL-1100 DD Amsterdam, Netherlands