1. Department of Chemical Engineering, School of Engineering, The University of Manchester, Oxford Road, M13 9PL Manchester, U.K.
2. Continental Reifen Deutschland GmbH, Jädekamp 30, D-30419 Hanover, Germany
3. BASF, Carl-Bosch-Strasse 38, 67056 Ludwigshafen, Germany
4. Department of Chemistry, University of Liverpool, Crown Street, L69 7ZD Liverpool, U.K.
5. Department of Chemistry, The University of Manchester, Oxford Road, M13 9PL Manchester, U.K.