1. Department of Chemistry, Colorado State University, Fort Collins, Colorado, USA
2. Arthropod-borne and Infectious Diseases Laboratory, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, Colorado, USA
3. Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, Colorado, USA
4. Department of Chemistry, Oklahoma State University, Stillwater, Oklahoma, USA
5. School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado, USA