The authors gratefully acknowledge the following grant support: 1K01MH092338 from the National Institute of Mental Health; 1R01-HS018577-01 from the U.S. Agency for Healthcare Research and Quality (AHRQ), awarded to the Department of Population Medicine at Harvard Medical School and Harvard Pilgrim Health Care Institute where this study originated; a Robert Wood Johnson Foundation Investigator Award in Health Policy Research, awarded to Dr. Huskamp; 5R01AG032249 from the National Institute on Aging; and R01 MH084905 from AHRQ.
The authors report no competing interests.