Department of Biostatistics and Informatics, University of Colorado School of Public Health, Aurora, CO, Department of Immunology, National Jewish Health Center, Denver, CO, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN and Department of Pulmonary Medicine, National Jewish Health Center, Denver, CO, USA.|Department of Biostatistics and Informatics, University of Colorado School of Public Health, Aurora, CO, Department of Immunology, National Jewish Health Center, Denver, CO, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN and Department of Pulmonary Medicine, National Jewish Health Center, Denver, CO, USA.|Department of Biostatistics and Informatics, University of Colorado School of Public Health, Aurora, CO, Department of Immunology, National Jewish Health Center, Denver, CO, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN and Department of Pulmonary Medicine, National Jewish Health Center, Denver, CO, USA.|Department of Biostatistics and Informatics, University of Colorado School of Public Health, Aurora, CO, Department of Immunology, National Jewish Health Center, Denver, CO, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN and Department of Pulmonary Medicine, National Jewish Health Center, Denver, CO, USA.|Department of Biostatistics and Informatics, University of Colorado School of Public Health, Aurora, CO, Department of Immunology, National Jewish Health Center, Denver, CO, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN and Department of Pulmonary Medicine, National Jewish Health Center, Denver, CO, USA.|Department of Biostatistics and Informatics, University of Colorado School of Public Health, Aurora, CO, Department of Immunology, National Jewish Health Center, Denver, CO, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN and Department of Pulmonary Medicine, National Jewish Health Center, Denver, CO, USA.|Department of Biostatistics and Informatics, University of Colorado School of Public Health, Aurora, CO, Department of Immunology, National Jewish Health Center, Denver, CO, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN and Department of Pulmonary Medicine, National Jewish Health Center, Denver, CO, USA.|Department of Biostatistics and Informatics, University of Colorado School of Public Health, Aurora, CO, Department of Immunology, National Jewish Health Center, Denver, CO, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN and Department of Pulmonary Medicine, National Jewish Health Center, Denver, CO, USA.