- Correspondence to Professor Jae-Kwan Cha, Busan-Ulsan Regional Cardio-Cerebrovascular Diseases Center, Dong-A University Hospital, Department of Neurology, 3-1Ga, Dongdaeshin-Dong, Busan 602-715, Republic of Korea;
- Received October 12, 2014
- Revised December 15, 2014
- Accepted December 19, 2014
- First published January 12, 2015.
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