Affiliation: | 1. Environmental and Industrial Sciences, RTI International, RTP, North Carolina;2. Division of Public Health Sciences, Department of Biostatistical Sciences, Wake Forest School of Medicine, Winston‐Salem, North Carolina;3. Division of Public Health Sciences, Department of Epidemiology and Prevention, Wake Forest School of Medicine, Winston‐Salem, North Carolina;4. Center for Worker Health, Wake Forest School of Medicine, Winston‐Salem, North Carolina;5. Department of Family and Community Medicine, Wake Forest School of Medicine, Winston‐Salem, North Carolina |