1. Institute of Applied Synthetic ChemistryVienna University of Technology Getreidemarkt 9/163-AC 1060 Wien Austria
2. X-Ray CenterVienna University of Technology Getreidemarkt 9 A-1060 Wien Austria
3. Centro de Química EstruturalInstituto Superior TécnicoUniversidade de Lisboa Av. Rovisco Pais No. 1 1049-001 Lisboa Portugal