1. Institut Laue-Langevin, 71 avenue des Martyrs, CS20156, Cedex 9 38042 Grenoble, France
2. Institute
of Chemistry, Eötvös Loránd University, 112, P.O. Box 32, Budapest H-1518, Hungary
3. Department
of Biomedical Science, Faculty of Health and Science, Malmö University, 21432 Malmö, Sweden
4. Institute
of Chemistry, St. Petersburg State University, Universitetsky pr. 2, 198904 St. Petersburg, Russia
5. Department
of Chemistry, University J. Selyeho, Komárno, Slovakia