1. Department of Ophthalmology & Visual Sciences, Washington University School of Medicine, St. Louis, Missouri, United States
2. Proteomics Shared Resource, Oregon Health and Science University, Portland, Oregon, United States
3. Department of Chemical Physiology & Biochemistry, Oregon Health and Science University, Portland, Oregon, United States
4. Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, Missouri, United States