[1] Univ South Carolina, Coll Nursing, Columbia, SC 29208 USA
[2] Univ South Carolina, Dept Psychol, Coll Arts & Sci, Columbia, SC 29208 USA
[3] Univ South Carolina, Dept Hlth Serv Policy & Management, Arnold Sch Publ Hlth, Columbia, SC 29208 USA
[4] Univ South Carolina, Dept Hlth Serv Policy & Management, Columbia, SC 29208 USA
[5] Univ South Carolina, Arnold Sch Publ Hlth, Dept Epidemiol & Biostat, Columbia, SC 29208 USA