1. International Consortium for Health Outcomes Measurement, Cambridge, Massachusetts
2. Department of Intraocular Lens and Cataract Services, Aravind Eye Care System, Madurai, India
3. St Erik Eye Hospital, Stockholm, Sweden
4. European Cancer Patient Coalition, Brussels, Belgium
5. Curtin Health Innovation Research Institute, Perth, Western Australia, Australia
6. Byers Eye Institute, Stanford University School of Medicine, Palo Alto, California7VA Palo Alto Health Care System, Palo Alto, California8American Academy of Ophthalmology, San Francisco, California
7. Flinders University, Adelaide, South Australia, Australia
8. National Cataract Registry, Kuala Lumpur, Malaysia
9. The Royal College of Ophthalmologists National Ophthalmology Database, London, United Kingdom
10. International Consortium for Health Outcomes Measurement, Cambridge, Massachusetts12European Registry of Quality Outcomes for Cataract and Refractive Surgery, Dublin, Ireland