Enrichment sampling for a multi-site patient survey using electronic health records and census data

Nathaniel D. Mercaldo, Kyle B. Brothers, David S. Carrell, Ellen W. Clayton, John J. Connolly, Ingrid A. Holm, Carol R. Horowitz, Gail P. Jarvik, Terrie E. Kitchner, Rongling Li, Catherine A. McCarty, Jennifer B. McCormick, Valerie D. McManus, Melanie F. Myers, Joshua J. Pankratz, Martha J. Shrubsole, Maureen E. Smith, Sarah C. Stallings, Janet L. Williams, Jonathan S. Schildcrout