1. Center for Genes, Environment and Health and
2. Computational Bioscience Program, School of Medicine, University of Colorado Denver, Aurora, Colorado
3. Department of Computer Science, University of Colorado Boulder, Boulder, Colorado
4. Department of Mathematical and Statistical Sciences, University of Colorado Denver, Denver, Colorado
5. Department of Molecular Biology, Colorado College, Colorado Springs, Colorado; and
6. Division of Biostatistics and Bioinformatics, National Jewish Health, Denver, Colorado
7. Department of Epidemiology, Colorado School of Public Health, Aurora, Colorado