Niechajev, Igor http://orcid.org/0000-0003-2214-2774
Article History
Received: 28 July 2023
Accepted: 2 October 2023
First Online: 28 October 2023
Declarations
:
: The study followed the ethical standards in conformity with the 1964 Helsinki Declaration and its later amendments. This is a retrospective study for which no ethical approval is required.
: Informed consent was obtained from all patients included in the study. Additional consent was obtained from patients shown in figures where they could be recognized.
: Igor Niechajev declares no competing interests.