- Correspondence to Dr Ahmet Yagmur Bas, Department of Neonatology, Etlik Zubeyde Hanim Women's Health Teaching and Research Hospital, Etlik, Keciören, Ankara 06010, Turkey;
- Received October 17, 2014
- Revised February 4, 2015
- Accepted March 21, 2015
- First published April 13, 2015.
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