Affiliation: | 1. Department of Family and Community Medicine, Center for Worker Health, Wake Forest School of Medicine, Winston‐Salem, North Carolina;2. Department of Neurology, Center for Worker Health, Wake Forest School of Medicine, Winston‐Salem, North Carolina;3. Department of Biostatistical Sciences, Division of Public Health Sciences, Center for Worker Health, Wake Forest School of Medicine, Winston‐Salem, North Carolina;4. Department of Epidemiology and Prevention, Division of Public Health Sciences, Center for Worker Health, Wake Forest School of Medicine, Winston‐Salem, North Carolina |