Kaczmarczyk, Mariusz
Löber, Ulrike
Adamek, Karolina
Węgrzyn, Dagmara
Skonieczna-Żydecka, Karolina
Malinowski, Damian
Łoniewski, Igor
Markó, Lajos
Ulas, Thomas
Forslund, Sofia K.
Łoniewska, Beata
Article History
Received: 23 January 2021
Accepted: 16 April 2021
First Online: 28 April 2021
Declarations
:
: This study was approved by the Bioethics Committee of the Pomeranian Medical University (Resolution No. KB-0012/55/14; 30.06.2014) and was conducted in accordance with the Declaration of Helsinki (2013).
: Written informed consent was obtained from the participants’ guardians (parents). All authors gave their conent to publish the study.
: Igor Łoniewski is a probiotic company shareholder. Karolina Skonieczna-Żydecka and Mariusz Kaczmarczyk—receive remuneration from a probiotic company. The other authors declare no conflict of interest.