- Correspondence to Dr T H Rainer, Accident and Emergency Medicine Academic Unit, Chinese University of Hong Kong, Rooms 107/113, Trauma and Emergency Centre, Prince of Wales Hospital, Shatin, New Territories, Hong Kong;
- Received December 29, 2012
- Revised February 12, 2013
- Accepted March 17, 2013
- First published April 13, 2013.
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