1. Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado, Aurora, Colorado
2. Department of Biostatistics and Informatics, Colorado School of Public Health, Aurora, Colorado
3. Division of Cardiology, University of Colorado School of Medicine, Aurora, Colorado
4. Division of Cardiology, VA Eastern Colorado Health Care System, Aurora, Colorado; and
5. Department of Clinical Pharmacy, University of Colorado Skaggs School of Pharmacy and Pharmaceutical Sciences, Aurora, Colorado