1. Institute of Chemical Kinetics and Combustion, Novosibirsk, Russia.
2. Laboratory of Nitrogen Compounds, Novosibirsk Institute of Organic Chemistry, Novosibirsk, Russia.
3. Department of Biophysics, Jagiellonian University, Kraków, Poland.
4. Institute of Biochemistry, Faculty of Agriculture, Food and Environment, Hebrew University of Jerusalem, Rehovot, Israel.
5. Department of Neurobiology, Faculty of Biology, Weizmann Institute of Science, Rehovot, Israel.