Affiliations

• ¹ Department of Environmental and Occupational Health, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pa; Department of Rhinology, Shengjing Hospital of China Medical University, Shenyang, China.
• ² Center for Biologic Imaging, School of Medicine, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, Pa.
• ³ Department of Statistics and Operations Research, Universidad de Valladolid, Valladolid, Spain.
• ⁴ Department of Environmental and Occupational Health, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pa.
• ⁵ Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pa.
• ⁶ Department of Environmental and Occupational Health, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pa; University of Pittsburgh Asthma and Environmental Lung Health Institute @UPMC, Pittsburgh, Pa. Electronic address: swenzel@pitt.edu.