1. Department of Epidemiology and Biostatistics, School of Medicine The University of Texas Health Science Center at San Antonio Laredo TX USA
2. Institute for Systems Biology Seattle WA USA
3. Center for Health Sciences, Biosciences Division SRI International Menlo Park CA USA
4. Department of Medical and Molecular Genetics Indiana University School of Medicine Indianapolis IN USA
5. Department of Public Health Des Moines University Des Moines IA USA
6. Division of Epidemiology, Department of Medicine, Vanderbilt Center for Translational and Clinical Cardiovascular Research (VTRACC), Institute of Medicine and Public Health Vanderbilt University Medical Center Nashville TN USA