1. Department of Medicine, Division of Genetic Medicine
2. Vanderbilt Genetics Institute
3. Department of Obstetrics and Gynecology, Division of Quantitative Sciences
4. Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana
5. Department of Medicine, Division of Epidemiology, Vanderbilt University Medical Center, Nashville, Tennessee
6. Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, Tennessee, USA