Funding for this research was provided by:
Russian Foundation for Basic Research (No. 16-31-60058 mol a dk)
Russian Foundation for Basic Research (the subsidy allocated to Kazan Federal University for the state assignment in the sphere of scientic activities, project No. 1.1515.2017/4.6.)
Nazarbayev University Faculty Development Competitive Research Grants (N090118FD5342.)
Article History
Received: 26 September 2017
Accepted: 15 September 2018
First Online: 26 September 2018