Affiliations

• ¹ Cecil G. Sheps Center for Health Services Research and Departments of Family Medicine and Internal Medicine, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA. Electronic address: Philip_Sloane@med.unc.edu.
• ² Department of Surgery, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
• ³ Department of Surgery, School of Medicine, Oregon Health and Science University, Portland, OR, USA.
• ⁴ Perioperative Medicine for Older People Undergoing Surgery (POPS), Guy's and St. Thomas's NHS Foundation Trust, London, United Kingdom.
• ⁵ Department of Geriatric Medicine, Llandough Hospital and Division of Population Medicine, Department of Surgery, Cardiff University, Cardiff, United Kingdom.
• ⁶ Department of Surgery, College of Medicine, University of Arizona, Tucson, AZ, USA.
• ⁷ Geriatric Research Education and Clinical Center (GRECC), James J. Peters VA Medical Center, Bronx, NY, USA; Brookdale Department of Geriatrics and Palliative Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
• ⁸ Department of Surgery, University Surgical Cluster, National University of Singapore.
• ⁹ Duke Center for the Study of Aging and Human Development and Department of Surgery, School of Medicine, Duke University, Durham, NC, USA.
• ¹⁰ Veterans Health Administration, Eastern Colorado Health Care System, Denver-Seattle Center of Innovation for Veteran-Centered and Value Driven Care, Denver, CO, USA; Department of Medicine, School of Medicine, University of Colorado, Aurora, CO, USA.
• ¹¹ Department of Surgery, School of Medicine, Virginia Commonwealth University, Richmond, VA, USA.
• ¹² Veterans Health Administration, Durham Health Care System and School of Nursing, Duke University, Durham, NC, USA.
• ¹³ Center for Perioperative Outcomes Research and Transformation and Department of Anesthesiology and Critical Care Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
• ¹⁴ Veterans Health Administration, Connecticut Health Care System and Department of Surgery, School of Medicine, Yale University, New Haven, CT, USA.