Articles in our journal are published under an open license. This enables the scientific community and the general public to gain unrestricted free access to scientific articles. To cover the costs associated with the editorial and publishing process, the authors pay an article processing charge (APC) before publication. Authors are asked to pay the APC only after the positive review process. The APC is non-refundable. At the current (since 1 January 2021), the APC is 200 EUR (5500 CZK).