1. European Cancer Stem Cell Research Institute School of Biosciences Cardiff University Cardiff CF24 4HQ UK
2. Division of Haematology and Oncology Medical College of Wisconsin 8701 Watertown Plank Rd Milwaukee WI 53226 USA
3. CRUK Beatson Institute Switchback Road, Bearsden Glasgow G61 1BD UK
4. School of Mathematics Cardiff University Senghennydd Road Cardiff CF24 4AG UK
5. Insitute of Cancer Sciences University of Glasgow Switchback Road, Bearsden Glasgow G61 1QH UK
6. Wales Cancer Research Centre University Hospital of Wales Room 1TB2 31, First Floor Main Building Cardiff CF14 4XN UK