1. CM Brown (corresponding author): University of Arkansas for Medical Sciences, Department of Pediatrics, 1 Children's Way, #512-8, Little Rock, Arkansas, USA 72202;
2. EC Lloyd: University of Arkansas at Little Rock, Graduate School of Social Work, Little Rock, Arkansas, USA;
3. CJ Swearingen, BA Boateng: University of Arkansas for Medical Sciences, Department of Pediatrics, Little Rock, Arkansas, USA