1. 1Department of Biology, Loyola University Chicago, Chicago, Illinois.
2. 2Program in Bioinformatics, Loyola University Chicago, Chicago, Illinois.
3. 3Center for Bioinformatics and Functional Genomics, Department of Biomedical Science, Cedars-Sinai Medical Center, Los Angeles, California.
4. 4Center for Public Health Genomics, University of Virginia, Charlottesville, Virginia.
5. 5Section of Genetic Medicine, The University of Chicago, Chicago, Illinois.
6. 6Medical Research Council Integrative Epidemiology Unit, University of Bristol, Bristol, UK.
7. 7Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia.