[1] Royal Marsden NHS Fdn Trust, London, England
[2] Royal Marsden NHS Fdn Trust, London, Surrey, England
[3] New York Presbyterian Hosp, New York, NY USA
[4] Genentech Inc, San Francisco, CA 94080 USA
[5] Inst Pathol Nordhessen & Targos Mol Pathol GmbH, Kassel, Germany