[1] Univ Texas Hlth Sci Ctr San Antonio, Sch Dent, Dept Periodont, San Antonio, TX USA
[2] Univ Alabama Birmingham, Sch Med, Div Prevent Med, Birmingham, AL USA
[3] Univ Amsterdam, Acad Ctr Dent Amsterdam ACTA, Dept Orofacial Pain & Dysfunct, Amsterdam, Netherlands
[4] Vrije Univ Amsterdam, Amsterdam, Netherlands
[5] Univ Alabama Birmingham, Sch Dent, Dept Clin & Community Sci, Natl Dent PBRN, Birmingham, AL USA