Received: 3 June 2019
Accepted: 6 July 2020
First Online: 16 July 2020
Ethics approval and consent to participate
: The study had a consent of a bioethical commission of Wroclaw Medical University. For this type of study formal consent is not required. This article does not contain any studies with human participants or animals performed by any of the authors.
: Not applicable.
: The authors declare that they have no competing interests.