1. New England Eye Center, Tufts Medicine, Boston, MA, USA
2. Tufts University School of Medicine, Boston, MA, USA
3. Duke Eye Center, Durham, NC, USA
4. Bay Area Retina Associates, Walnut Creek, CA, USA
5. Cole Eye Institute, Cleveland Clinic Foundation, Cleveland, OH, USA
6. Wilmer Eye Institute, Baltimore, MD, USA
7. Vitreous Retina Macula Specialists of Toronto, ON, Canada
8. Tennessee Retina, PC, Nashville, TN, USA
9. Retina-Vitreous Associates Medical Group, Beverly Hills, CA, USA
10. Austin Retina Associates, Austin, TX, USA