Departments of Environmental and Radiological Health Sciences (K.A.P., S.L.H., R.B.T.) and Microbiology, Immunology and Pathology (J.A.M., M.F.A., R.D.S.), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado; Department of Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, Colorado (D.S.B.); and Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, Texas (S.S.)

Departments of Environmental and Radiological Health Sciences (K.A.P., S.L.H., R.B.T.) and Microbiology, Immunology and Pathology (J.A.M., M.F.A., R.D.S.), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado; Department of Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, Colorado (D.S.B.); and Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, Texas (S.S.)

Departments of Environmental and Radiological Health Sciences (K.A.P., S.L.H., R.B.T.) and Microbiology, Immunology and Pathology (J.A.M., M.F.A., R.D.S.), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado; Department of Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, Colorado (D.S.B.); and Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, Texas (S.S.)

Departments of Environmental and Radiological Health Sciences (K.A.P., S.L.H., R.B.T.) and Microbiology, Immunology and Pathology (J.A.M., M.F.A., R.D.S.), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado; Department of Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, Colorado (D.S.B.); and Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, Texas (S.S.)

Departments of Environmental and Radiological Health Sciences (K.A.P., S.L.H., R.B.T.) and Microbiology, Immunology and Pathology (J.A.M., M.F.A., R.D.S.), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado; Department of Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, Colorado (D.S.B.); and Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, Texas (S.S.)

Departments of Environmental and Radiological Health Sciences (K.A.P., S.L.H., R.B.T.) and Microbiology, Immunology and Pathology (J.A.M., M.F.A., R.D.S.), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado; Department of Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, Colorado (D.S.B.); and Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, Texas (S.S.)

Departments of Environmental and Radiological Health Sciences (K.A.P., S.L.H., R.B.T.) and Microbiology, Immunology and Pathology (J.A.M., M.F.A., R.D.S.), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado; Department of Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, Colorado (D.S.B.); and Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, Texas (S.S.)

Departments of Environmental and Radiological Health Sciences (K.A.P., S.L.H., R.B.T.) and Microbiology, Immunology and Pathology (J.A.M., M.F.A., R.D.S.), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado; Department of Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, Colorado (D.S.B.); and Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, Texas (S.S.)