Corresponding Author

Elizabeth Crouch PhD

Rural and Minority Health Research Center, Department of Health Services Policy and Management, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA

Correspondence

Dr. Elizabeth Crouch, Rural and Minority Health Research Center, Arnold School of Public Health, University of South Carolina, 220 Stoneridge Drive, Suite 204, Columbia, SC 29210. Tel.: 803-576-6055; Fax: 803-251-6317; e-mail: crouchel@mailbox.sc.edu. Elizabeth Crouch and Melinda A. Merrell are with Rural and Minority Health Research Center, Department of Health Services Policy and Management, Arnold School of Public Health, University of South Carolina. Joni Nelson and Amy Martin are with Department of Stomatology, Division of Population Oral Health, Medical University of South Carolina.