1. Department of Biochemistry and Molecular Genetics, University of Colorado Denver School of Medicine, Aurora, CO 80045, USA.
2. Howard Hughes Medical Institute (HHMI), University of Colorado Denver School of Medicine, Aurora, CO 80045, USA.
3. School of Veterinary Medicine, University of California, Davis, CA 95616, USA.
4. Department of Medicine, Division of Infectious Diseases, University of Colorado Denver School of Medicine, Aurora, CO 80045, USA.
5. Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, TX 77555, USA.
6. Molecular Biology Consortium, Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
7. RNA BioScience Initiative, University of Colorado Denver School of Medicine, Aurora, CO 80045, USA.