Affiliation: | Department of Obstetrics and Gynecology, Duke University Medical Center, Durham NC, USA;;Center for Clinical Health Policy Research (Duke Evidence Based Practice Center), Duke University, Durham, NC, USA;;Department of Biostatistics and Bioinformatics, Duke University Medical Center, Durham, NC, USA;;Agency for Health Research and Quality, Rockville, MD, USA;;Department of Veteran's Affairs Medical Center, Durham, NC, USA;;Department of Medicine, Duke University, Durham, NC, USA;;Department of Medicine, Joseph and Kathleen Bryan Alzheimer's Disease Research Center, and Duke University, Durham, NC, USA |