Skalnaya, Margarita G.
Skalny, Anatoly V.
Grabeklis, Andrey R.
Serebryansky, Eugeny P.
Demidov, Vasily A.
Tinkov, Alexey A.
Funding for this research was provided by:
Ministry of Education and Science of the Russian Federation
Article History
Received: 23 January 2018
Accepted: 21 February 2018
First Online: 1 March 2018
Compliance with Ethical Standards
: All procedures performed were in agreement with the ethical principles of the Declaration of Helsinki and its later amendments. All volunteers were informed about the experimental procedures and signed the informed consent form prior the investigation. The protocol of the present study was approved by the local ethics committee at the Institute of Bioelementology (Orenburg, Russia).
: The authors declare that they have no conflict of interest.