Affiliation: | 1. Division of Trauma Burns and Surgical Critical Care, Department of Surgery, Brigham and Women's Hospital, Boston, Massachusetts;2. Department of Surgery, University of Texas Medical Branch, Galveston, Texas;3. Division of General Medicine and Primary Care, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts;4. Institute for Aging Research Hebrew SeniorLife, Boston, Massachusetts;5. Department of Neurology, Brown University, Providence, Rhode Island;6. Department of Orthopedics, Beth Israel Deaconess Medical Center, Boston, Massachusetts;7. Division of Geriatric Medicine and Gerontology, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, Maryland;8. Division of Geriatric Medicine, Department of Internal Medicine, School of Medicine, Yale University, New Haven, Connecticut |