1. Industrial and Operations Engineering Department; University of Michigan; Ann Arbor Michigan
2. Health Management and Policy Department; School of Public Health, University of Michigan; Ann Arbor Michigan
3. Children's Emergency Services, Department of Emergency Medicine; University of Michigan; Ann Arbor Michigan
4. Center for Healthcare Engineering and Patient Safety; University of Michigan; Ann Arbor Michigan
5. Child Health Evaluation and Research Unit; University of Michigan; Ann Arbor Michigan