[1] Natl Lib Med, Dent Publ Hlth & Informat, Bethesda, MD USA
[2] Natl Inst Dent & Craniofacial Res, NIH, 31 Ctr Dr,Suite 5B55, Bethesda, MD 20892 USA
[3] NIH, Natl Inst Hlth Lib, Bldg 10, Bethesda, MD 20892 USA
[4] Univ Rochester, Eastman Inst Oral Hlth, Dent, Rochester, NY USA
[5] Univ Rochester, Eastman Inst Oral Hlth, Ctr Oral Biol, Rochester, NY USA
[6] Natl Inst Dent & Craniofacial Res, Dent Publ Hlth & Informat, NIH, Bethesda, MD 20892 USA
[7] Natl Inst Dent & Craniofacial Res, Hlth Dispar Res Program, NIH, Bethesda, MD 20892 USA
[8] Univ Maryland, Sch Dent, Baltimore, MD 21201 USA
[9] Natl Inst Dent & Craniofacial Res, Program Anal & Reporting Branch, NIH, Bethesda, MD 20892 USA
[10] NIH, Appl Clin Informat Branch, Lister Hill Natl Ctr Biomed Commun, Natl Lib Med, Bldg 10, Bethesda, MD 20892 USA