1 Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami, Miller School of Medicine, Miami, Florida.
2 Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami, Miller School of Medicine, Miami, Florida. Electronic address: hflynn@med.miami.edu.
3 Department of Ophthalmology, Poznan City Hospital, Poznan, Poland and Department of Ophthalmology, University of Warmia and Mazury, Olsztyn, Poland.
4 Division of Epidemiology and Clinical Applications, Bethesda, Maryland.