- Correspondence to Amy Ising, MSIS, Department of Emergency Medicine, Carolina Center for Health Informatics, School of Medicine, The University of North Carolina at Chapel Hill, 100 Market Street, Chapel Hill, NC 27516, USA;
- Received September 1, 2015
- Revised December 16, 2015
- Accepted December 19, 2015
- First published April 4, 2016.
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