1. Department of Molecular Genetics & Microbiology, University of Florida College of Medicine, Gainesville, Florida, USA
2. UF Genetics Institute, University of Florida, Gainesville, Florida, USA
3. Department of Ophthalmology and Visual Sciences, University of Wisconsin—Madison, Madison, Wisconsin, USA
4. Department of Pediatrics, Stanford University School of Medicine, Stanford, California, USA
5. Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California, USA