[1] Univ Wisconsin Madison, Dept Nutr Sci, Madison, WI USA
[2] Univ Wisconsin Madison, Dept Ophthalmol & Visual Sci, Madison, WI USA
[3] Univ Georgia, Dept Psychol, Athens, GA 30602 USA
[4] Tufts Univ, Jean Mayer USDA Human Nutr Res Ctr Aging, Boston, MA 02111 USA
[5] Univ Iowa, Coll Publ Hlth, Dept Epidemiol, Iowa City, IA USA
[6] Fred Hutchinson Canc Res Ctr, 1124 Columbia St, Seattle, WA 98104 USA
[7] SUNY Buffalo, Dept Epidemiol & Environm Hlth, Buffalo, NY USA
[8] Brown Univ, Hunter Lab Psychol, Providence, RI 02912 USA
[9] Macular Metr, Rehoboth, RI USA