1. Institute of Physical Chemistry and Chemical
Physics FCHPT, Slovak University of Technology, Radlinskeho 9, Bratislava SK-812 37, Slovakia
2. School of Chemistry and Biochemistry, The University of Western Australia, 35 Stirling Highway, Perth WA 6009, Australia
3. Fachbereich 2 - Biologie/Chemie, Universität Bremen, Leobener Straβe NW2, 28359 Bremen, Germany