Funding for this research was provided by:
Russian Foundation for Basic Research (17-00-00295, 17-00-00210, 17-00-00206)
Ministry of Science and Higher Education, Russia (АААА-А17-117020210021-7)
Received: 21 September 2019
Accepted: 15 December 2019
First Online: 30 December 2019
Ethics approval and consent to participate
: All patients were duly informed and gave their consent to the study and signed the Information Consent. The protocol of the study was approved by the Ethic Committee of the Pirogov Medical University (Moscow, Russia).
: Not applicable.
: The authors declare that they have no competing interests.