1. Oncology Innovative Medicines Unit, AstraZeneca R&D, 35 Gatehouse Drive, Waltham, Massachusetts 02451, United States
2. Structure & Biophysics, Discovery Sciences, AstraZeneca R&D, Darwin Building, 310 Cambridge Science Park, Milton Road, Cambridge, CB4 0WG, U.K.
3. Structure & Biophysics, Discovery Sciences, AstraZeneca R&D, 35 Gatehouse Drive, Waltham, Massachusetts 02451, United States