1. Department of Neurology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
2. Department of Biomedical and Health Sciences, University of Vermont, Burlington, Vermont, USA
3. Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
4. Division of Microbiology, Tulane National Primate Research Center, Tulane University, Covington, Louisiana, USA
5. Department of Ophthalmology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
6. Division of Endocrinology, Metabolism and Diabetes, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
7. Department of Cell and Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA