This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/).

This article belongs to the Section Mental Health.

This study was conducted according to the guidelines of the Declaration of Helsinki and approved by the Ethics Committee of Pomeranian Medical University in Szczecin (KB-0012/49/17 from 27 March 2017).

This project was financed by the program of the Minister of Science and Higher Education under the name “Regional Initiative of Excellence” in 2019–2022,

Grants from the Pomeranian Medical University in Szczecin,