1. School of Nursing, University of California Los Angeles , Los Angeles, CA, USA
2. Center for Cancer Prevention and Control Research, Jonsson Comprehensive Cancer Center, University of California Los Angeles , Los Angeles, CA, USA
3. Division of Hematology-Oncology, Department of Medicine, David Geffen School of Medicine at UCLA , Los Angeles, CA, USA
4. Department of Health Policy and Management, Fielding School of Public Health, University of California Los Angeles , Los Angeles, CA, USA