1. Retina Service, Department of Ophthalmology, Massachusetts Eye and Ear, Harvard Medical School, Boston
2. Harvard Retinal Imaging Laboratory, Boston, Massachusetts
3. Grupo de Neurociencias de Antioquia, Universidad de Antioquia, Medellin, Colombia
4. Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, Boston
5. Department of Psychology, Gordon College, Wenham, Massachusetts
6. Department of Psychological and Brain Sciences, Boston University, Boston, Massachusetts
7. Schepens Eye Research Institute of Massachusetts Eye and Ear, Boston
8. Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston