1 From the Department of Ophthalmology (J.M.N., M.S., A.G.d.A.C.), University of California, San Francisco, California, USA. Electronic address: John.nesemann@ucsf.edu.
2 From the Department of Ophthalmology (J.M.N., M.S., A.G.d.A.C.), University of California, San Francisco, California, USA.