Allakhverdiev, A. R.
Allakhverdieva, A. A.
Babayev, E. S.
Article History
Received: 18 March 2019
Revised: 28 September 2019
Accepted: 3 October 2019
First Online: 31 August 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest.</i> All authors confirm the absence of conflicts related to the publication of this article.
: <i>Statement of compliance with standards of research involving humans as subjects.</i> All studies were conducted in accordance with the principles of biomedical ethics listed in the 1964 Helsinki Declaration and its later amendments and approved by the local bioethics committee of the Karaev Institute of Physiology, Azerbaijan National Academy of Sciences (Baku). Each study participant provided a voluntary written informed consent signed after explanations of potential risks and benefits as well as the nature of the forthcoming investigations.