[1] Univ Colorado, Dept Community & Populat Hlth, Sch Dent Med, Aurora, CO USA
[2] Precis Med, Bethesda, MD USA
[3] Univ Colorado, Dept Biostat & Informat, Sch Publ Hlth, Aurora, CO USA
[4] Texas Air Natl Guard, Dent Serv 136th AW MDG, Ft Worth, TX USA