1. Roski Eye Institute, Department of Ophthalmology, Keck School of Medicine at the University of Southern California, Los Angeles, CA, USA
2. Sol Price School of Public Policy, University of Southern California, Los Angeles, CA, USA
3. Hamilton Glaucoma Center, Shiley Eye Institute, Department of Ophthalmology, University of California, San Diego, La Jolla, CA, USA
4. Southern California Eye Institute, CHA Hollywood Presbyterian Medical Center, Los Angeles, CA, USA