1. Division of Neonatology, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
2. Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
3. Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
4. Institute of Translational Medicine and Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
5. Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
6. Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA 19104, USA
7. Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
8. Division of Cardiovascular Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
9. Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
10. VA Informatics and Computing Infrastructure, VA Salt Lake City Health Care System, Salt Lake City, UT 84148, USA
11. University of Massachusetts College of Nursing & Health Sciences, Boston, MA 02125, USA
12. VA Palo Alto Health Care System, Palo Alto, CA 94304, USA
13. Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
14. VA Boston Healthcare System, Boston, MA 02130, USA
15. Department of Medicine, Brigham and Women’s Hospital, Boston, MA 02115, USA
16. Atlanta VA Health Care System, Decatur, GA 30033, USA
17. Division of Cardiology, Emory University School of Medicine, Atlanta, GA 30322, USA
18. Department of Epidemiology, Emory University Rollins School of Public Health, Atlanta, GA 30322, USA
19. Department of Medicine, Harvard Medical School, Boston, MA 02115, USA