1 Department of Psychiatry, UCSF Weill Institute for Neurosciences, University of California, San Francisco, 401 Parnassus Ave, Box 0984, San Francisco, CA 94143. derek.satre@ucsf.edu.
2 Department of Psychiatry, UCSF Weill Institute for Neurosciences, University of California, San Francisco, California, USA.
3 Division of Research, Kaiser Permanente Northern California, Oakland, California, USA.
4 Addiction Recovery and Treatment Services, San Francisco VA Healthcare System, San Francisco, California, USA.