1. Dipartimento
di Scienze Chimiche, Università di Napoli Federico II, Complesso
Monte S. Angelo, Via Cintia, 80126 Napoli, Italy
2. Centro
Singular de Investigación en Química Biolóxica
e Materiais Moleculares (CiQUS), Universidade de Santiago de Compostela, Campus Vida, C/ Jenaro de la Fuente, 15782 Santiago de Compostela, Spain
3. European Synchrotron Radiation Facility (ESRF), 6 rue Jules Horowitz, BP 220, 38043 Grenoble Cedex 9, France
4. School
of Chemistry, Pharmacy and Food Biosciences, University of Reading, Whiteknights, Reading RG6 6AD, U.K.
5. Macromolecular Chemistry & New Polymeric Materials, Zernike Institute for Advanced Materials, Nijenborgh 4, 9747 AG Groningen, The Netherlands