1. Department of Ophthalmology, General Hospital of Patras “Agios Andreas”, Patras, Greece (Chairman: Dr. med. D. Feretis)
2. Ophthalmological Centre of Rive, Geneva, Switzerland (Chairmen: Dr. med. P. M. Desmangles, Dr. med. M. A. Matter)
3. Economics Department, Business School, University of Hertfordshire, Hatfield, Hertfordshire, United Kingdom (Head: Mr. J. Easter)
4. Department of Ophthalmology, University of Bonn, Bonn, Germany (Chairman: Dr. med. F. G. Holz)
5. Moorfields Eye Hospital NHS Foundation Trust, London, United Kingdom (Chairman: M. Miller)