Affiliation: | 1. Department of Engineering and Environmental Management , Air Force Institute of Technology , AFIT/ENV 2950 P Street, Wright-Patterson Air Force Base, OH, 45433, USA;2. Department of Environmental Science and Engineering , School of Public Health, University of North Carolina , Chapel Hill, NC, 27514, USA;3. Department of Medicine, Division of Pulmonary Medicine , University of North Carolina , Chapel Hill, NC, 27514, USA |