1. Department of Ophthalmology, Howe Laboratory, Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, Massachusetts
2. Department of Bioinformatics and Computational Biology, George Mason University, Manassas, Virginia
3. Department of Microbiology and Immunology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
4. Clinical Investigation Facility, David Grant USAF Medical Center, Travis, California