1. Centre
for Computational Science, Department of Chemistry, University College London, London WC1H 0AJ, United Kingdom
2. Pfizer Global R&D, The Portway Building, Granta Park, Cambridge CB21 6GS, United Kingdom
3. Pfizer Worldwide Research and Development, 610 Main Street, Cambridge, Massachusetts 02139, United States
4. Pfizer Worldwide Research and Development, Groton
Laboratories, Groton, Connecticut 06340, United States