[1] Thomas Jefferson Univ, Dept Ophthalmol, Wills Eye Hosp, Sidney Kimmel Med Coll, Philadelphia, PA 19107 USA
[2] Univ Colorado, Dept Ophthalmol, Sue Anschutz Rodgers UCHlth Eye Ctr, Sch Med, Aurora, CO USA
[3] Univ Colorado, Dept Neurol, Sue Anschutz Rodgers UCHlth Eye Ctr, Sch Med, Aurora, CO USA
[4] Univ Colorado, Dept Neurosurg, Sue Anschutz Rodgers UCHlth Eye Ctr, Sch Med, Aurora, CO USA
[5] Univ Illinois, Coll Med, Inst Minor Hlth Res, Chicago, IL USA
[6] Thomas Jefferson Univ, Dept Neurol, Wills Eye Hosp, Sidney Kimmel Med Coll, Philadelphia, PA 19107 USA
[7] Johns Hopkins Sch Med, Dept Neurol, Baltimore, MD USA
[8] Rutgers New Jersey Med Sch, Dept Ophthalmol, Newark, NJ USA
[9] Rutgers New Jersey Med Sch, Dept Neurosci, Newark, NJ USA