- Correspondence to Mustafa Erkan Sari, Zekai Tahir Burak Kadın Saglıgı Egitim ve Arastırma Hastanesi, Ankara 06230, Turkey;
- Received July 4, 2018
- Revision received October 29, 2018
- Accepted November 2, 2018
- First published January 21, 2019.
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