- Correspondence to Dr Atsushi Sakurai, Division of Emergency and Critical Care Medicine, Department of Acute Medicine, Nihon University, School of Medicine, 30-1 Oyaguchi Kamimachi Itabashi-ku, Tokyo 173-8610, Japan;
- Received February 4, 2013
- Revised March 22, 2013
- Accepted April 1, 2013
- First published May 2, 2013.
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