[1] Univ Nevada, Sch Publ Hlth, Dept Environm & Occupat Hlth, Las Vegas, NV 89102 USA
[2] Univ Nevada, Sch Med, Off Res, Las Vegas, NV 89102 USA
[3] Univ Utah, Sch Med, Dept Family & Prevent Med, Div Publ Hlth, Salt Lake City, UT 84112 USA
[4] Natl Dent Coll & Hosp, Dept Pediat & Prevent Dent, Dera Bassi, India
[5] Univ Kentucky, Coll Educ, Dept Kinesiol & Hlth Promot, Lexington, KY USA
[6] Coforge, Dept Informat Technol, Atlanta, GA USA
[7] Coforge, Testing Ctr Excellence, Atlanta, GA USA
[8] Univ Mississippi, Med Ctr, Sch Med, Dept Dermatol, Jackson, MS 39216 USA