1 Professor and Director, The University of Tennessee Health Science Center, College of Graduate Health Sciences and CHEER, 910 Madison Suite 317, Memphis, TN 38163.
2 Consultant, University of Tennessee Health Science Center, College of Graduate Health Sciences and CHEER, 910 Madison Suite 317, Memphis, TN 38163.
3 Assistant Professor of Economics, College of Business and Social Sciences, University of Louisiana at Monroe, Hemphill Hall, Room 157, 700 University Ave., Monroe, LA 71209.