1. Departments of Biomedical Informatics and Pediatrics, University of California San Diego, and Rady Children’s Hospital, San Diego, California, USA
2. University of Utah School of Medicine, Salt Lake City, Utah, USA
3. The Leapfrog Group, Washington, DC, USA
4. Children’s National Health System and George Washington University School of Medicine, Washington, DC
5. Departments of Biomedical Informatics and Pediatrics, University of California San Diego