Laney, A. Scott PhD; Weissman, David N. MD
From the Division of Respiratory Disease Studies, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Morgantown, Wyv.
Address correspondence to: David N. Weissman, MD, Division of Respiratory Disease Studies, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, 1095 Willowdale Road, Morgantown, WV 26505 ([email protected]).
Disclosures: No commercial disclosures.
Conflict of interest/funding source: The authors are full-time US government employees. No other funding supported this work. The findings and conclusions in this report are those of the authors and do not necessarily represent the views of the National Institute for Occupational Safety and Health.
