1. Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow G1 1XL, United Kingdom
2. Oncode Institute and Division of Biochemistry, Netherlands Cancer Institute, Plesmanlaan 121, 1066CX Amsterdam, The Netherlands
3. Medicines Design, GlaxoSmithKline R&D, Stevenage, Hertfordshire SG1 2NY, United Kingdom