[1] Texas A&M Hlth Sci Ctr, Sch Rural Publ Hlth, Dept Epidemiol & Biostat, College Stn, TX 77843 USA
[2] Texas A&M Hlth Sci Ctr, Sch Rural Publ Hlth, Dept Hlth Policy & Management, College Stn, TX 77843 USA
[3] Texas A&M Hlth Sci Ctr, Sch Rural Publ Hlth, Dept Hlth Promot & Community Hlth Sci, College Stn, TX 77843 USA
[4] Texas A&M Hlth Sci Ctr, Coll Med, College Stn, TX 77843 USA
[5] Scott & White Healthcare, Dept Family & Community Med, Temple, TX USA
[6] Texas A&M Univ, Dept Hlth & Kinesiol, College Stn, TX USA