1. Department of Chemistry, Chemistry of Drug Development, University of Turku, Vatselankatu 2, 20500 Turku, Finland
2. University of Cambridge, MRC Toxicology Unit, Hodgkin Building, Lancaster Road, Leicester LE1 7HB, U.K.
3. Cancer Research U.K. Beatson Institute, Garscube Estate, Switchback Road, Glasgow G61 1BD, U.K.
4. Institute of Cancer Sciences, University of Glasgow, Garscube Estate, Switchback Road, Glasgow G61 1QH, U.K.