1. Department of Family and Community Medicine, Wake Forest
University School of Medicine in Winston-Salem, North Carolina,
2. Department of Family and Community Medicine, Wake Forest
University School of Medicine in Winston-Salem, North Carolina
3. Department of Biostatistical Sciences, Division of Public
Health Sciences, Wake Forest University School of Medicine in Winston-Salem,
North Carolina
4. North Carolina Farmworkers Project in Benson, North
Carolina
5. Department of Epidemiology and Prevention, Division
of Public Health Sciences, Wake Forest University School of Medicine in Winston-Salem,
North Carolina