Kelmanson, Igor A. http://orcid.org/0000-0002-4449-2786
Article History
Received: 6 January 2019
Revised: 23 July 2019
Accepted: 24 July 2019
First Online: 16 August 2019
Compliance with ethical guidelines
:
: I.A. Kelmanson declares that he has no competing interests.
: All procedures performed in studies involving human participants or on human tissue were in accordance with the ethical standards of the institutional and/or national research committee and with the 1975 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent for the participation in a scientific study was obtained from all mothers involved, and confidentiality was guaranteed.