1. Department
of Inorganic and Analytical Chemistry, University of Debrecen, Egyetem
tér 1, H-4010 Debrecen, Hungary
2. Departamento
de Química Fundamental, Universidade da Coruña, Campus da Zapateira, Rúa da Fraga 10, 15008 A Coruña, Spain
3. Centre
de Biophysique Moléculaire, CNRS, rue Charles Sadron, 45071
Cedex 2 Orléans, France