Funding for this research was provided by:
Ministerstwo Nauki i Szkolnictwa Wyższego (WZ/WM-IIB/1/2020)
Received: 23 May 2020
Accepted: 16 February 2021
First Online: 2 March 2021
: Not required. The ethics approval was deemed unnecessary according to regulations of the II Local Ethical Committee on Animal Testing in Warsaw and the National Ethical Committees on Animal Testing, as well as according to Polish legal regulations (Ustawa z dnia 15 stycznia 2015 r. o ochronie zwierzat wykorzystywanych do celów naukowych lub edukacyjnych, Dz.U.2018.0.1207 (Resolution on the animals protection used for scientific and educational purposes), because all procedures in the study were non-invasive and did not cause distress and pain equal to or greater then a needlestick.
: Not applicable.
: The authors declare no conflicts of interest.