1. Howard Hughes Medical Institute, Denver, United States
2. Department of Biomedical Research, National Jewish Health, Denver, United States
3. Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, United States
4. Barbara Davis Center for Childhood Diabetes, University of Colorado School of Medicine, Aurora, United States
5. Division of Biostatistics and Bioinformatics, National Jewish Health, Denver, United States
6. La Jolla Institute for Allergy and Immunology, La Jolla, United States