1. Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S Matthews Avenue, Urbana, Illinois 61801, United States
2. Plum Island Animal Disease Center (PIADC), Agricultural Research Service, USDA, Greenport, New York 11944, United States
3. National Bio and Agro-Defense Facility (NBAF), ARS, USDA, Manhattan, Kansas 66502, United States
4. Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
5. Cancer Center at Illinois, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States