- Correspondence to Dr Corita R Grudzen, Bellevue Hospital Center, Ronald O. Perelman Department of Emergency Medicine, Research Division, 462 First Avenue, Room A862, New York, NY 10016, USA;
- Received July 30, 2015
- Revision received December 1, 2015
- Accepted December 17, 2015
- First published January 12, 2016.
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