1 Department of Anesthesiology, Minneapolis Veterans Affairs Health Care System, 1 Veterans Drive, Minneapolis, MN, 55417, USA; Department of Anesthesiology, University of Minnesota School of Medicine, B515 Mayo Memorial Building, 420 Delaware St SE, Minneapolis, MN 55455, USA. Electronic address: brian.tolly@va.gov.
2 Center for Care Delivery and Outcomes Research, Minneapolis Veterans Affairs Health Care System, 1 Veterans Dr, Minneapolis, MN 55417, USA; Department of Psychiatry, University of Minnesota School of Medicine, 2312 S 6(th) St, Floor 2 Ste F-275, Minneapolis, MN 55455, USA. Electronic address: Christopher.erbes@va.gov.
3 Department of Anesthesiology, Minneapolis Veterans Affairs Health Care System, 1 Veterans Drive, Minneapolis, MN, 55417, USA; Department of Anesthesiology, University of Minnesota School of Medicine, B515 Mayo Memorial Building, 420 Delaware St SE, Minneapolis, MN 55455, USA. Electronic address: ioanna.apostolidou@va.gov.