1. Ioffe Institute 1 , 26 Politekhnicheskaya Street, Saint-Petersburg 194021, Russia
2. Peter the Great St. Petersburg Polytechnic University 2 , 29 Politekhnicheskaya Street, Saint-Petersburg 195251, Russia
3. Institution “Project Center ITER,” 3 11 Raspletina Street, Building 2, 123060 Moscow, Russia