[1] Univ Arkansas Med Sci, Translat Res Inst, Fay W Boozman Coll Publ Hlth, Hlth Policy & Management, Little Rock, AR 72205 USA
[2] Univ Arkansas Med Sci, Translat Res Inst, Coll Med, Dept Pediat, Little Rock, AR 72205 USA
[3] Vanderbilt Univ, Vanderbilt Inst Clin & Translat Res, Inst Med & Publ Hlth, Nashville, TN USA
[4] Med Univ South Carolina, South Carolina Clin & Translat Res Inst, Charleston, SC 29425 USA
[5] Washington Univ, Inst Clin & Translat Sci, St Louis, MO 63110 USA
[6] Univ Michigan, Michigan Inst Clin & Hlth Res, Ann Arbor, MI 48109 USA
[7] Univ Arkansas Med Sci, Translat Res Inst, Little Rock, AR 72205 USA