[1] Univ Oklahoma, TSET Hlth Promot Res Ctr, Stephenson Canc Ctr, Hlth Sci Ctr, Oklahoma City, OK USA
[2] Univ Oklahoma, Coll Med, Dept Pediat, Hlth Sci Ctr, Oklahoma City, OK USA
[3] George Washington Univ, Milken Inst Sch Publ Hlth, Dept Prevent & Community Hlth, Washington, DC USA
[4] George Washington Univ, George Washington Canc Ctr, Washington, DC USA
[5] Univ Oklahoma, TSET Hlth Promot Res Ctr, Hlth Sci Ctr, 655 Res Pkwy 400, Oklahoma City, OK 73104 USA