[1] W Virginia Univ, Psychol, Morgantown, WV 26506 USA
[2] W Virginia Univ, Clin Psychol, Morgantown, WV 26506 USA
[3] W Virginia Univ, Restorat Dent, Sch Dent, Morgantown, WV 26506 USA
[4] W Virginia Univ, Periodont, Sch Dent, Morgantown, WV 26506 USA
[5] W Virginia Univ, Biochem, Sch Med, Morgantown, WV 26506 USA
[6] W Virginia Univ, COHRA2 Program, Morgantown, WV 26506 USA
[7] W Virginia Univ, COHRA2 Project, Morgantown, WV 26506 USA
[8] Ctr Oral Hlth Res Appalachia, Frostburg, MD USA
[9] Univ Pittsburgh, Pittsburgh, PA 15260 USA
[10] Univ Pittsburgh, Ctr Craniofacial & Dent Genet, Pittsburgh, PA 15260 USA
[11] Univ Pittsburgh, Human Genet, Pittsburgh, PA 15260 USA
[12] Univ Pittsburgh, Dept Dent Publ Hlth, Pittsburgh, PA 15260 USA
[13] Univ Pittsburgh, Oral Biol Human Genet & Clin & Translat Sci, Pittsburgh, PA 15260 USA
[14] Univ Michigan, Sch Publ Hlth, Epidemiol, Ann Arbor, MI 48109 USA