Yalçin, Siddika Songül http://orcid.org/0000-0001-9061-4281
Boran, Perran
Tezel, Başak
Şahlar, Tuba Esra
Özdemir, Pınar
Keskinkiliç, Bekir
Kara, Fatih
Article History
Received: 5 August 2021
Accepted: 20 December 2021
First Online: 20 January 2022
Declarations
:
: <b><i>Ethics approval</i></b><b>:</b> Approved by the Ethical Board of Marmara University (12.June.2020; no: 09.2020.699), the Public Health Institution of Turkish Ministry of Health (09.July.2020; no: E 67414668–604.02.99-E456). All procedures of the study had been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.<b><i>Consent to participate</i></b><b>:</b> Not applicable. The country data sets were taken as de-identified from General Directorate of Public Health, Ministry of Health. Administrative health data subject to legislation requiring registration of all births in Turkey were used for the study. The Ethics Committee of Marmara University School of Medicine and Ministry of Health waived the informed consent procedure for the study.
: Not applicable.
: All authors report no competing of interest relevant to this article.