Article History
Received: 19 December 2021
Accepted: 4 June 2022
First Online: 25 July 2022
Declarations
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The protocol has been approved by the Ethics Commission, Third Faculty of Medicine, Charles University in Prague. Ethics approval for this retrospective study was obtained from the Ethics Commission of the Third Faculty of Medicine, Charles University in Prague. Ethical standards maintained by this ethics committee conform to the Declaration of Helsinki.
: For this type of study, formal consent is not required.