Andrew L Avins1,2,3,4
, Stephen Bent2,3,5
, Amy Padula2
, Suzanne Staccone2
, Evelyn Badua6
and Harley Goldberg1 
1Division of Research, Northern California Kaiser Permanente, Oakland, California, USA
2General Internal Medicine Section, San Francisco VA Medical Center, San Francisco, California, USA
3Department of Medicine, University of California, San Francisco, California, USA
4Department of Epidemiology and Biostatistics, University of California, San Francisco, California, USA
5Osher Center for Integrative Medicine, Department of Medicine, University of California, San Francisco, California, USA
6Urology Section, San Francisco VA Medical Center, San Francisco, California, USA