1. Department of Chemistry INSTM and NIS Centre University of Torino via Quarello 15/A 10135 Torino Italy
2. Institut Laue-Langevin (ILL) 71 avenue des Martyrs 38000 Grenoble France
3. Department of Drug Science and Technology INSTM and NIS Centre University of Torino via Pietro Giuria 9 10125 Torino Italy
4. Paul Scherrer Institut Forschungsstrasse 111 5232 Villigen PSI Switzerland
5. Chimet SpA -Catalyst Division via di Pescaiola 74 I-52041 Viciomaggio Arezzo Italy