1. Department of Radiation Oncology, University of California, San Francisco
2. Department of Epidemiology and Biostatistics, University of California, San Francisco
3. Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco
4. Department of Surgery, University of California, San Francisco
5. PatientsWithPower Inc, Santa Clara, California
6. Philip R. Lee Institute for Health Policy Studies, University of California, San Francisco