Funding for this research was provided by:
Uniwersytet Medyczny im. Karola Marcinkowskiego w Poznaniu
Received: 24 June 2020
Accepted: 16 August 2020
First Online: 16 September 2020
Compliance with Ethical Standards
: The authors declared no potential conflicts of interest with respect to the research, authorship, and publication of this article.
: All procedures performed in the study 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.
: Informed consent was obtained from the patients to publish the images.