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Body Mass Index and Cognition

Conflict of Interest: Elizabeth A. Olszewski was employed by the Oregon POLST Registry as a Research Assistant and Research Associate from October 2009 to June 2011, although this study was completed independently of that employment. Dana Zive is the Sr. Manager of Operations and Research for the registry, and Terri A. Schmidt is the registry’s Medical Director. Dana Zive and Terri A. Schmidt currently receive salary support through the registry. Author Contributions: Study design: Olszewski, Newgard, McConnell. Acquisition of subjects: Olszewski, Zive, Schmidt. Data analysis and interpretation: Olszewski, Newgard. Manuscript preparation: Olszewski, Newgard, Zive, Schmidt, McConnell. Sponsor’s Role: This research was not sponsored.