Received: 25 September 2020
Accepted: 3 June 2021
First Online: 27 July 2021
: The study was conducted according to the guidelines laid down in the Declaration of Helsinki and all procedures involving human subjects were approved by Bioethics Committee at FMP UABC (1018/2018–1, approval June 26, 2018).
: Not applicable.
: The authors declare that they have no competing interests.