[1] Amer Board Ophthalmol, Bala Cynwyd, PA 19004 USA
[2] Washington Univ, Sch Med, Ophthalmol & Visual Sci, St Louis, MO 63130 USA
[3] Essentia Hlth, Duluth, MN USA
[4] Univ Michigan, Dept Ophthalmol, Ann Arbor, MI USA
[5] Univ Michigan, WK Kellogg Eye Ctr, Ann Arbor, MI 48109 USA
[6] Georgetown Univ, Med Ctr, Ophthalmol, Washington, DC 20007 USA
[7] Indiana Univ, Ophthalmol, Indianapolis, IN 46204 USA
[8] Indiana Univ, Glaucoma Res & Educ, Indianapolis, IN 46204 USA
[9] Indiana Univ, Eugene & Marilyn Glick Eye Inst, Dept Ophthalmol, Glaucoma Serv, Indianapolis, IN 46204 USA
[10] Amer Acad Ophthalmol, Clin Educ, San Francisco, CA USA