1. Institute of Mathematical Problems of Biology, Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, Vitkevicha Street 1, Pushchino 142290, Moscow
region, Russian Federation
2. Physics Faculty, Southern Federal University, Zorge Street 5, Rostov-on-Don 344090, Russian Federation
3. Department of Physics & I3N, University of Aveiro, Campus Santiago, 3810-193 Aveiro, Portugal