1. Institut de Ciència de Materials de Barcelona (ICMAB-CSIC)
2. 08193 Bellaterra
3. Spain
4. Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University
5. Kyoto 615-8510
6. Japan
7. Institut Laue-Langevin
8. Grenoble 38000
9. France
10. Chemistry and Physics of Materials Unit and New Chemistry Unit. International Centre for Materials Science, Jawaharal Nehru Centre for Advanced Scientific Research
11. Bangalore-560064
12. India