1. School of Biological Sciences and Center for Microbial Dynamics and Infection, Georgia Institute of Technology, Atlanta, GA 30332
2. Emory-Children’s Cystic Fibrosis Center, Atlanta, GA 30332
3. Department of Microbiology and Molecular Genetics, University of Pittsburgh, Pittsburgh, PA 15219
4. Department of Pediatrics, Division of Pulmonary, Asthma, Cystic Fibrosis, and Sleep, Emory University School of Medicine, Atlanta, GA 30322
5. Department of Biochemistry, Vanderbilt University, Nashville, TN 37232
6. Department of Chemistry, Vanderbilt University, Nashville, TN 37232
7. Center for Structural Biology, Vanderbilt University, Nashville, TN 37232
8. Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN 37232