1. K. Prassides, Institute for Polymers and Organic Solids, Departments of Chemistry and Materials, University of California, Santa Barbara, CA 93106, USA, and School of Chemistry and Molecular Sciences, University of Sussex, Falmer, Brighton BN1 9QJ, UK.
2. M. Keshavarz-K., J. C. Hummelen, E. Beer, C. Bellavia, R. González, Y. Murata, M. Malecki, V. Srdanov, F. Wudl, Institute for Polymers and Organic Solids, Departments of Chemistry and Materials, University of California, Santa Barbara, CA 93106, USA.
3. W. Andreoni, IBM Research Division, Zürich Research Laboratory, 8803 Rüschlikon, Switzerland.
4. P. Giannozzi, Scuola Normale Superiore, I-56126 Pisa, Italy, and IBM Research Division, Zürich Research Laboratory, 8803 Rüschlikon, Switzerland.
5. L. Cristofolini and A. Lappas, School of Chemistry and Molecular Sciences, University of Sussex, Falmer, Brighton BN1 9QJ, UK.