1 Division of Pulmonary and Critical Care Medicine Department of Medicine David Geffen School of Medicine at UCLA Los Angeles, CADepartment of Medicine David Geffen School of Medicine at UCLA University of California; and Geriatric Research, Education and Clinical Center VA Greater Los Angeles Healthcare System Los Angeles, CAOutcomes After Critical Illness and Surgery (OACIS) Group Division of Pulmonary & Critical Care Medicine Department of Physical Medicine & Rehabilitation Johns Hopkins University Baltimore, MDDivision of General Internal Medicine and Health Services Research Department of Medicine David Geffen School of Medicine at UCLA University of California; and VA Greater Los Angeles Healthcare System Los Angeles, CA.