[1] Univ Alabama Birmingham, Dept Ophthalmol & Visual Sci, Birmingham, AL USA
[2] Univ Birmingham, Inst Inflammat & Ageing, Coll Med & Dent Sci, Birmingham, England
[3] UCLA, David Geffen Sch Med, Jules Stein Eye Inst, Dept Ophthalmol, Los Angeles, CA USA
[4] Callahan Eye Hosp, Birmingham, AL 35233 USA