Colleagues Wake Forest University School of Medicine Joseph G.Grzywacz,PhD Scott Isom,MS Lara E.Whalley,BA Quirina M.Vallejos,MPH Haiying Chen,PhD Sara A.Quandt,PhD North Carolina Farmworkers Project Leonardo Galvan National Center for Environmental Health,CDC Dana B.Barr,PhDColleagues Wake Forest University School of Medicine Joseph G. Grzywacz, PhD Scott Isom, MS Lara E. Whalley, BA Quirina M. Vallejos, MPH Haiying Chen, PhD Sara A. Quandt, PhD North Carolina Farmworkers Project Leonardo Galvan National Center for Environmental Health, CDC Dana B. Barr, PhD