1. Department of Pharmacology, University of Cambridge, Tennis Court Road, Cambridge
CB2 1PD, U.K.
2. Department
of Chemistry, University of Cambridge,
Lensfield Road, Cambridge
CB2 1EW, U.K.
3. Cancer Research
UK, Cambridge Research Institute, Li Ka
Shing Center, Cambridge
CB2 0RE, U.K.
4. School of
Clinical Medicine, University of Cambridge, Cambridge CB2 0SP, U.K.