Mulhern, Stephen, Easton, Tom (3) Tubbs, Stephen Philip (1) Aitken, Mike (cambridge University, Uk), Broadhurst, Bill (cambridge University, Uk), Hladky, Stephen (cambridge University, Uk) (1) Gillespie, Stephen H. (university Of St Andrews, Bamford, Kathleen B. (royal Cornwall Hospital (1) Walters, Stephen J. (university Of Sheffield, Campbell, Michael J. (university Of Southampton), Machin, David (medical Research Council Cancer Trials Office (1)