1. Global Discovery Chemistry, Novartis Biomedical Research, Cambridge, Massachusetts 02139 United States
2. Oncology Biotherapeutics, Novartis Biomedical Research, Cambridge, Massachusetts 02139 United States
3. Oncology, Novartis Biomedical Research, CH-4002 Basel, Switzerland
4. Novartis Biologics Center, Novartis Biomedical Research, Cambridge, Massachusetts 02139 United States
5. Global Discovery Chemistry, Novartis Biomedical Research, CH-4002 Basel, Switzerland