[1] Wake Forest Sch Med, Dept Family & Community Med, Med Ctr Blvd, Winston Salem, NC 27157 USA
[2] Wake Forest Sch Med, Ctr Worker Hlth, Winston Salem, NC USA
[3] Wake Forest Sch Med, Dept Radiol, Winston Salem, NC USA
[4] Wake Forest Sch Med, Div Publ Hlth Sci, Dept Biostat Sci, Winston Salem, NC USA
[5] Wake Forest Sch Med, Ctr Genom & Personalized Med Res, Winston Salem, NC USA
[6] Emory Univ, Dept Environm & Occupat Hlth, Rollins Sch Publ Hlth, Atlanta, GA 30322 USA
[7] Wake Forest Sch Med, Div Publ Hlth Sci, Dept Epidemiol & Prevent, Winston Salem, NC USA