1. a Center for Innovative Visual Rehabilitation, VA Medical Center, Boston, MA, USA; Department of Chemical and Biomolecular Engineering, The Ohio State University, 140 West 19th Avenue, Columbus, OH 43210, USA; Department of Biomedical Engineering, The Ohio State University, 140 West 19th Avenue, Columbus, OH 43210, USA
2. b EIC Laboratories, Norwood, MA, USA
3. c Center for Innovative Visual Rehabilitation, VA Medical Center, Boston, MA, USA; Department of Ophthalmology, Harvard Medical School and the Massachusetts Eye and Ear Infirmary, Boston, MA, USA