- Correspondence to Dr H Tohira, Prehospital, Resuscitation and Emergency Care Research Unit, Faculty of Health Sciences, Curtin University, GPO Box U1987, Perth WA 6845, Australia;
- Received June 24, 2013
- Revised October 18, 2013
- Accepted October 23, 2013
- First published November 15, 2013.
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