1. State Medical University, Butlerov st. 49, Kazan, Russian Federation, PO Box 30, Kazan, Russian Federation
2. Institute of Biochemistry and Biophysics, Russian Academy of Sciences, PO Box 30, Kazan, Russian Federation
3. Department of Animal Physiology and Developmental Biology, Faculty of Sciences, Charles University, Viničná 7, Prague 2, Czech Republic
4. Institute of Physiology, Academy of Sciences of the Czech Republic, Vídeňská 1083, Prague 4, Czech Republic