1. VA Palo Alto Health Care System, Center for Innovation to Implementation, Menlo Park, California;
2. Center for Health Policy and Center for Primary Care and Outcomes Research, Stanford University School of Medicine, Stanford, California;
3. Division of Hospital Medicine, Department of Pediatrics, Stanford University School of Medicine, Stanford, California and
4. Center for Quality and Clinical Effectiveness, Lucile Packard Children’s Hospital, Palo Alto, California