[1] Johns Hopkins Univ, Sch Nursing, 525 N Wolfe St,Room 530P, Baltimore, MD 21287 USA
[2] Johns Hopkins Univ, Wilmer Eye Inst, Sch Med, Baltimore, MD 21287 USA
[3] Johns Hopkins Disabil Hlth Res Ctr, Baltimore, MD USA
[4] Johns Hopkins Univ, Dept Otolaryngol, Sch Med, Baltimore, MD 21287 USA
[5] Facebook, Global Accessibil Compliance, Washington, DC USA
[6] Massachusetts Eye & Ear, Boston, MA USA
[7] Harvard Med Sch, Boston, MA 02115 USA