[1] Univ Illinois, Dept Ophthalmol & Visual Sci, Illinois Eye & Ear Infirm, Chicago, IL USA
[2] Univ Illinois, Epidemiol & Biostat, Chicago, IL USA
[3] Univ Illinois, Inst Minor Hlth Res, Chicago, IL USA
[4] Univ Miami Hlth Syst, Bascom Palmer Eye Inst, Miami, FL USA
[5] Univ Miami, Dept Publ Hlth Sci, Miami, FL USA
[6] Univ Miami, Dept Psychol, Sylvester Comprehens Canc Ctr, POB 248185, Coral Gables, FL 33124 USA
[7] Captain James A Lovell Fed Hlth Care Ctr, Surg, Ophthalmol, N Chicago, IL USA