Received: 15 July 2021
Accepted: 29 December 2021
First Online: 15 January 2022
: All methods were performed in accordance with the relevant guidelines and regulations. The study was carried out in compliance with the ARRIVE guidelines. The data for analysis were obtained retrospectively from the national database archived by the Ministry of the Environment of the Czech Republic with the consent of the person in charge of data collection. No handling of animals related to research was carried out.
: Not applicable.
: The authors declare that they have no competing interests.