1Department of Ophthalmology and Visual Sciences, University of Iowa, Iowa City, IA, USA. michael-abramoff@uiowa.edu.
2Veterans Administration Medical Center, Iowa City, IA, USA. michael-abramoff@uiowa.edu.
3Digital Diagnostics, Inc., Coralville, IA, USA. michael-abramoff@uiowa.edu.
4Boston Biostatistics Research Foundation, Inc., Framingham, MA, USA.
5Baxter International Inc, Deerfield, IL, USA.
6Department of Ophthalmology and Visual Sciences, Wisconsin Reading Center, University of Wisconsin, Madison, WI, USA.
7Department of Public Health, George Washington University, Washington, DC, USA.
8Womens' Commissioner, Washington, DC, USA.
9Department of Medicine, Stritch School of Medicine, Loyola University Chicago, Chicago, IL, USA.
10Department of Ophthalmology and Visual Sciences, University of Iowa, Iowa City, IA, USA.
11Veterans Administration Medical Center, Iowa City, IA, USA.