- Received February 21, 2012, and in revised form April 8, 2012.
- Accepted for publication April 19, 2012.
- Reprints: Mehmet Aslan, MD, Department of Internal Medicine, School of Medicine, Yuzuncu Yil University, 65000 Van, Turkey. E-mail: .
- The authors have no conflict of interest regarding this work.
- First published December 15, 2015.
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