Stasiak, Marcin http://orcid.org/0000-0001-5112-6322
Wojtaszek-Słomińska, Anna
Racka-Pilszak, Bogna http://orcid.org/0000-0002-3709-3576
Article History
Received: 30 October 2019
Accepted: 2 December 2020
First Online: 5 February 2021
Compliance with ethical guidelines
:
: M. Stasiak, A. Wojtaszek-Słomińska and B. Racka-Pilszak declare that they have no competing interests.
: This research study was conducted retrospectively from data obtained for clinical purposes. The study was performed in accordance with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The Ethics Committee of Medical University of Gdańsk approved this study (16 October 2017/No. NKBBN/311/2017). Written informed consent to participate was obtained from the patients in the study or their parents/legally authorized representatives [LAR] in the case of children under 18.