2 Francis I. Proctor Foundation, University of California San Francisco, California; UCSF Epidemiology and Biostatistics, University of California, San Francisco, California.
3 Francis I. Proctor Foundation, University of California San Francisco, California; UCSF Epidemiology and Biostatistics, University of California, San Francisco, California; UCSF Department of Ophthalmology, University of California, San Francisco, California.
4 Francis I. Proctor Foundation, University of California San Francisco, California; UCSF Department of Ophthalmology, University of California, San Francisco, California; Division of Research, The Permanente Medical Group, Redwood City, California. Electronic address: jennifer.rose.nussbaumer@gmail.com.