Institute of Mathematical Problems of Biology of the Russian Academy of Sciences, a branch of the M. V. Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, 1, Prof. Vitkevich Street, Pushchino, Moscow 142290, Russia
Dr. Larisa Khanina
Institute of Mathematical Problems of Biology of the Russian Academy of Sciences, a branch of the M. V. Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, 1, Prof. Vitkevich Street, Pushchino, Moscow 142290, Russia