1. Department of Science and High
Technology, University of Insubria, and INSTM, Via Lucini 3, I-22100 Como, Italy
2. Department of Chemistry, University of Fribourg, Chemin du Musée 9, CH-1700
Fribourg, Switzerland
3. Institute
of Chemistry and Biological
Chemistry, Zurich University of Applied Sciences, CH-8820 Wädenswil, Switzerland
4. Department of Chemistry and
Biochemistry, University of Bern, Freiestrasse
3, CH-3012 Bern, Switzerland