- Correspondence to Dr Alexander Loch, Department of Emergency Medicine/Cardiology, Pusat Perubatan Universiti Malaya, Lembah Pantai, Kuala Lumpur 59100, Malaysia;
- Received May 30, 2012
- Revised February 11, 2013
- Accepted March 3, 2013
- First published March 22, 2013.
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