1. Department
of Chemistry and Industrial Chemistry, University of Genova, via Dodecaneso,
31 - 16146 Genova, Italy
2. Netherlands Organization
for Scientific Research (NWO), DUBBLE CRG, European Synchrotron Radiation Facility, BP 220, F-38043, Grenoble Cedex, France
3. Institute
for Polymer Materials (POLYMAT) and Polymer Science and Technology
Department, Faculty of Chemistry, University of the Basque Country (UPV-EHU), Paseo Manuel de Lardizabal 3, 20018 Donostia-San Sebastián, Spain
4. IKERBASQUE, Basque Foundation for Science, E-48011 Bilbao, Spain
5. Grupo
de Polímeros USB, Departamento de Ciencia de los Materiales, Universidad Simón Bolívar, Apartado 89000, Caracas 1080-A, Venezuela