1 Doheny Eye Institute, Department of Ophthalmology, Keck School of Medicine of the University of Southern California, Los Angeles, California. Electronic address: gs2924@cumc.columbia.edu.
2 Doheny Eye Institute, Department of Ophthalmology, Keck School of Medicine of the University of Southern California, Los Angeles, California.
3 Doheny Eye Institute, Department of Ophthalmology, David Geffen School of Medicine, Los Angeles, California.
4 USC Roski Eye Institute, Department of Ophthalmology, Keck School of Medicine of the University of Southern California, Los Angeles, California.