Kirichuk, Anatoly A.
Skalny, Andrey A.
Rusakov, Alexander I.
Tinkov, Alexey A.
Skalny, Anatoly V.
Funding for this research was provided by:
RUDN University 5-100 Program (n/a)
Article History
Received: 6 March 2020
Accepted: 10 June 2020
First Online: 16 June 2020
Compliance with ethical standards
: The protocol of the study was approved by the Local Ethics Committee of the RUDN University (Moscow, Russia). All procedures including sampling and examination were performed in agreement with the principles set in the Declaration of Helsinki and its later amendments (2013). All examinees were invited to participate and took part in the present study on a voluntary basis. All subjects were informed about the objectives of the study and experimental procedures and signed the informed consent form.
: The authors declare that they have no conflict of interest.