1 Department of Physiology and Pathology of CNS, I.M. Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, Saint Petersburg, Russia.
2 Department of Regulation of Brain Neuronal Functions, Faculty of Biological Sciences, School of Biomedical Sciences, University of Leeds, Leeds, United Kingdom.
3 I.P. Pavlov Institute of Physiology, Russian Academy of Sciences, Saint Petersburg, Russia.