Günther, Veronika http://orcid.org/0000-0002-1132-1315
Alkatout, Ibrahim
Vollmer, Christoph
Maass, Nicolai
Strauss, Alexander
Voigt, Manfred
Article History
Received: 18 February 2020
Accepted: 27 January 2021
First Online: 12 February 2021
Change Date: 3 May 2021
Change Type: Update
Change Details: OA funding note added to fulfill the contractual requirement of the Germany Fully OA agreement.
Ethics approval and consent to participate
: All procedures involving human participants were performed in accordance with the ethical standards of the institutional and/or national research committee, as well as the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The data analyzed in the present paper were obtained from the German Perinatal Survey, a mandatory survey conducted throughout Germany. No administrative permissions were required to access the raw data used in your study. The patients gave their informed consent in written form for data handling in advance, which means during the hospital admission process. The patients gave as well written informed consent for data analysis concerning their individual information, e.g. birth weight, smoking and maternal BMI as evaluated in the present study. The data used were de-identified upon data collection. A specific Ethic votum concerning this data analysis was not necessary.
: Not applicable.
: The authors declare that they have no competing interests.