1. Division of Endocrinology, Diabetes, Metabolism, Nutrition, Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota, USA.
2. Division of Endocrinology, Department of Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary.
3. Division of Endocrinology, Department of Medicine, University of Florida, Gainesville, Florida.
4. Faculty of Medicine, University of Belgrade, Belgrade, Serbia.
5. Division of Endocrinology, Department of Medicine, Stanford University School of Medicine, Stanford, California, USA.
6. ADMEDICO Orbital Centre, Olten and University Eye Department, Basel, Switzerland.
7. Oculoplastic, Facial Cosmetic and Orbital Surgery, Department of Ophthalmology and Visual Sciences, University of Wisconsin-Madison, Madison, Wisconsin, USA.
8. Department of Endocrinology, Odense University Hospital, University of Southern Denmark, Odense C, Denmark.