- Correspondence to Dr Takuya Hasegawa, Department of Cardiovascular Medicine National Cerebral and Cardiovascular Center, Osaka, Japan 5-7-1 Fujishiro-dai, Suita, Osaka 565-8565, Japan;
- Received October 31, 2013
- Revised April 17, 2014
- Accepted April 22, 2014
- First published May 14, 2014.
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