Text and Data Mining valid from 2019-02-02
First Online: 2 February 2019
Compliance with Ethical Standards
: Raquel Goldhardt and Bradley Simon Rosen declare that they have no conflict of interest.
: This article does not contain any studies with human or animal subjects performed by any of the authors.
: Supported by the Department of Veterans Affairs, Veterans Health Administration, Office of Research and Development, Clinical Sciences Research EPID-006-15S, NIH Center Core Grant P30EY014801 and Research to Prevent Blindness Unrestricted Grant.