[1] W Virginia Univ, Sch Med, Dept Community Med, Morgantown, WV 26506 USA
[2] Amer Board Prevent Med, Chicago, IL USA
[3] Residency Review Comm Prevent Med, Golden, CO USA
[4] Jefferson Cty Dept Hlth & Environm, Golden, CO USA
[5] Univ Maryland, Sch Med, Dept Epidemiol & Prevent Med, Baltimore, MD 21201 USA
[6] Univ Calif Los Angeles, Dept Family Med, Div Environm & Occupat Med, Los Angeles, CA 90024 USA
[7] Univ Illinois, Sch Publ Hlth, Dept Environm & Occupat Hlth Sci, Chicago, IL USA
[8] Ingenix United Hlth Care Grp, Eden Prairie, MN USA
[9] Drexel Univ, Sch Publ Hlth, Ctr Publ Hlth Readiness & Commun, Philadelphia, PA 19104 USA
[10] Cornell Univ, New York Presbyterian Hosp, Weill Med coll, New York, NY USA
[11] Dartmouth Hitchcock Med Ctr, Hanover, NH USA
[12] US Dept Def, Ctr Educ & Res Patient Safety, Bethesda, MD USA
[13] Walter Reed Army Inst Res, Silver Spring, MD USA
[14] Univ Calif San Francisco, Div Environm & Occupat Med, San Francisco, CA 94143 USA
[15] Univ Kansas, Sch Med, Wichita, KS 67214 USA
[16] NIOSH, Washington, DC USA
[17] Univ Illinois, Coll Med, Rockford, IL 61107 USA