1 Department of Emergency Medicine, Yale School of Medicine, New Haven, CT, USA. Electronic address: mark.iscoe@yale.edu.
2 Child Study Center, Yale School of Medicine, New Haven, CT, USA.
3 Information Technology Services, Yale New Haven Health System, New Haven, CT, USA.
4 Department of Emergency Medicine, Yale School of Medicine, New Haven, CT, USA.
5 Department of Emergency Medicine, Yale School of Medicine, New Haven, CT, USA; Department of Biostatistics (Health Informatics), Yale School of Public Health, New Haven, CT, USA.