1. Graduate Student Researcher, Institute for Global Health Sciences, University of California, San Francisco, CA, USA
2. Project Director, Philip R. Lee Institute for Health Policy Studies, University of California, San Francisco, CA, USA
3. Distinguished Professor, Philip R. Lee Institute for Health Policy Studies, University of California, San Francisco, CA, USA
4. Associate Professor, Department of Epidemiology and Biostatistics, University of California, San Francisco, CA, USA