¹Infectious Bacterial Diseases Research Unit, National Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, ²Department of Veterinary Pathology, College of Veterinary Medicine, Iowa State University, ³UK Veterinary Laboratories Agency, ⁴Visual Services, National Centers for Animal Health, Animal and Plant Health Inspection Service, United States Department of Agriculture

¹Department of Plant and Microbial Biology, University of California Berkeley, ²John Innes Centre, Norwich Research Park, ³Department of Plant and Microbial Biology, University of Zürich, ⁴USDA-ARS Sunflower and Plant Biology Research Unit

¹Division of Chemistry and Chemical Engineering, California Institute of Technology, ²Joint Center for Artificial Photosynthesis, California Institute of Technology, ³Advanced Light Source, Lawrence Berkeley National Laboratory, ⁴Beckman Institute, California Institute of Technology

¹Translational Medicine, Hospital for Sick Children, ²Center for Microbial Pathogenesis, Department of Pediatrics, University of Pittsburgh, ³Microbiology, Department of Pediatric Laboratory Medicine, Hospital for Sick Children, ⁴Infectious Diseases, Department of Pediatrics, Hospital for Sick Children