J Occup Environ Med 2018 06;60(6):e312-e318
Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina (Ms Gam, Drs Kwok, Engel, Sandler); Department of Global Environmental Health Sciences, Tulane University School of Public Health and Tropical Medicine, New Orleans, Louisiana (Ms Gam, Dr Lichtveld); Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, North Carolina (Dr Engel); Social & Scientific Systems Inc., Durham, North Carolina (Mr Curry, Mr McGrath, Mr Jackson II); Stewart Exposure Assessments, LLC, Arlington, Virginia (Dr Stewart); Exposure Assessment Applications, LLC, Arlington, Virginia (Mr Stenzel); Pulmonary Division, University of Utah and Intermountain Medical Center, Salt Lake City, Utah (Dr Jensen); Office of the Director, National Institute of Environmental Health Sciences, National Institutes of Health, Bethesda, Maryland (Dr Miller).