Funding for this research was provided by:
grantová agentura české republiky (AZV 17-29084A)
Article History
Received: 31 March 2021
Accepted: 6 September 2021
First Online: 30 September 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: 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 conforms to the Declaration of Helsinki.
: For this type of study, formal consent is not required.
: 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.