1. VA Health Service Research and Development, Center for the Study of Healthcare Innovation, Implementation, and Policy (CSHIIP), VA Greater Los Angeles Healthcare System, Los Angeles, California, USA.
2. Department of Medicine, David Geffen School of Medicine, UCLA, Los Angeles, California, USA.
3. VA Informatics and Computing Infrastructure (VINCI), VA Salt Lake City Healthcare System, Salt Lake City, Utah, USA.
4. Department of Medicine, Joe R. and Teresa Lozano Long School of Medicine, University of Texas Health Science Center, San Antonio, Texas, USA.
5. Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, Jane and Terry Semel Institute for Neuroscience and Human Behavior, UCLA, Los Angeles, California, USA.