Denisenko, O. D.
Perepelitsa, S. A.
Sergunova, V. A.
Lyapunova, S. S.
Litvinova, L. S.
Article History
Received: 7 February 2023
Revised: 6 March 2023
Accepted: 27 March 2023
First Online: 11 December 2023
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest</i>. The authors declare that they have no conflicts of interest.<i>Statement of compliance with standards of research involving humans as subjects</i>. The study was approved by the Ethics Committee of the Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology (protocol no. 2/20 dated June 10, 2020) and the Independent Ethics Committee of the Clinical Research Center of I. Kant Baltic Federal University (extract from the minutes of the session of IEC no. 14 dated October 27, 2020) and performed at Maternity Hospital of Kaliningrad Oblast no. 1. Blood sampling was carried out by the staff of the neonatal intensive-care unit as part of a planned clinical examination. No additional blood sampling was performed. Informed consent of the legal representatives of the child to conduct medical manipulations and research is in the hospital neonatal record. All stages of the study comply with the legislation of the Russian Federation, as well as international ethical standards and regulatory documents of research organizations.