- Received September 17, 2012, and in revised form January 20, 2013.
- Accepted for publication January 27, 2013.
- Reprints: Fatih Koc, MD, Medical Faculty, Cardiology Department, Gaziosmanpasa University, Tokat/Turkey. E-mail: .
- The authors have no conflict of interest.
- First published December 14, 2015.
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