[1] Univ Coll London Hosp, London, England
[2] MRC Clin, London, England
[3] Cancer Res UK & UCL Canc Trials Ctr, London, England
[4] Kent & Canterbury Hosp, Canterbury, England
[5] Leicester Royal Infirm, Leicester, Leics, England
[6] Royal Marsden Hosp, London SW3 6JJ, England
[7] Western Gen Hosp, Edinburgh EH4 2XU, Midlothian, Scotland
[8] Maria Sklodowska Curie Mem Inst Oncol, Warsaw, Poland
[9] Ctr Canc, Warsaw, Poland
[10] Nispetiye Mahallesi, Istanbul, Turkey
[11] Westmead Hosp, Sydney, NSW, Australia
[12] UCL, London, England