- Correspondence to Dr Jiraporn Sri-on, Emergency department, Vajira Hospital, Navamindradhiraj University, Khao street, Dusit, Bangkok 10300, Thailand;
- Received 6 October 2014
- Revised 26 January 2015
- Accepted 22 February 2015
- Published in print 1 January 2016.
- Published online 23 December 2015.
- Published first 24 March 2015.
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