1. Laboratory
of Magnetic Resonance Microimaging, International Tomography Center SB RAS, Instututskaya St. 3A, 630090 Novosibirsk, Russia
2. Novosibirsk State University, Pirogova
St. 2, 630090 Novosibirsk, Russia
3. Department
of Physics, NMR Research Group, University of Oulu, P.O. Box 3000, FIN-90014, Finland
4. Department
of Chemistry, Laboratory of Inorganic Chemistry, University of Helsinki, P.O. Box 55, FIN-00014, Finland
5. Borealis Polymers Oy, P.O. Box 330, 06101 Porvoo, Finland