[1] Royal Marsden NHS Fdn Trust, London, England
[2] Inst Canc Res, London, England
[3] Hosp Valle De Hebron, Vall Dhebron Inst Oncol Vhio, Barcelona, Spain
[4] Hosp Univ Virgen, Granada, Spain
[5] Hosp Univ Ramon, Madrid, Spain
[6] Ucsd Moore Canc Ctr, La Jolla, CA USA
[7] Princess Margaret Canc Ctr, Toronto, ON, Canada
[8] Astrazeneca, Cambridge, England
[9] Univ Colorado, Ctr Canc, Boulder, CO 80309 USA