1. International Tomography Center, Institutskaya 3a, 630090 Novosibirsk, Russia
2. Novosibirsk State University, Pirogova 2, 630090 Novosibirsk, Russia
3. Department of Chemistry, University of Konstanz, Universitätsstraße 14, 78457 Konstanz, Germany
4. Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, 14195 Berlin, Germany
5. Center for Nanosystems Chemistry, Institute of Organic Chemistry, University of Würzburg, Am Hubland, 97074 Würzburg, Germany