1. Department of Ophthalmology, California Pacific Medical Center, San Francisco, California, USA
2. Department of Ophthalmology, Stanford University School of Medicine, Stanford, California, USA
3. The Francis I. Proctor Foundation, UCSF School of Medicine, San Francisco, California, USA
4. Moorfields Eye Hospital and Biomedical Research Center, NHS Foundation Trust, London, UK
5. Department of Ophthalmology, Northwestern Feinberg School of Medicine, Chicago, Illinois, USA
6. Department of Ophthalmology, St. Paul’s Hospital, Vancouver, British Columbia, Canada
7. Centre for Ophthalmology, University Tuebingen, Schleichstrasse, Tuebingen, Germany