1. Retina Service, Massachusetts Eye and Ear, Harvard Medical School, Boston, MA, USA
2. Pediatric Retina Service, Boston Children’s Hospital, Harvard Medical School, Boston, MA, USA
3. Department of Ophthalmology, Casey Eye Institute, Oregon Health & Sciences University, Portland, OR, USA
4. Mid Atlantic Retina, Wills Eye Hospital, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, USA