| Authors: |
Vogel EA; Stanford Prevention Research Center, Department of Medicine, Stanford University, Stanford, CA, United States., Ramo DE; Hopelab, San Francisco, CA, United States.; Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, CA, United States., Prochaska JJ; Stanford Prevention Research Center, Department of Medicine, Stanford University, Stanford, CA, United States., Meacham MC; Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, CA, United States., Layton JF; Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, CA, United States., Humfleet GL; Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, CA, United States. |
