Joannie Shen1
, Ronald Andersen2
, Paul S Albert3
, Neil Wenger4,5
, John Glaspy6
, Melissa Cole1
and Paul Shekelle5,7 
1Laboratory of Clinical Sciences, National Institute of Alcoholism and Alcohol Abuse, National Institutes of Health, Bethesda, MD, USA
2Department of Health Services, UCLA School of Public Health, Los Angeles, CA, USA
3Biometric Research Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
4Department of Medicine, Division of General Internal Medicine & Health Services Research, UCLA School of Medicine, Los Angeles, CA, USA
5RAND, Santa Monica, CA, USA
6Department of Medicine, Division of Hematology & Oncology, UCLA School of Medicine, Los Angeles, CA, USA
7Greater Los Angeles VA Healthcare System, Los Angeles, CA, USA