- Correspondence to Dr Mehmet Yekta Oncel, Division of Neonatology, Zekai Tahir Burak Maternity Teaching Hospital, Altındağ, Ankara 06230, Turkey;
- Received January 8, 2015
- Revised October 8, 2015
- Accepted October 11, 2015
- First published November 9, 2015.
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