Author Affiliations: Atmospheric Science Department (Mr Kaulfus), College of Nursing (Drs Alexander and O'Keefe), and Political Science and Atmospheric Science Departments (Dr Zhao), University of Alabama in Huntsville; and Division of Preventive Medicine, Department of Medicine (Dr Oster), and Department of Biostatistics (Dr Bartolucci), University of Alabama at Birmingham.
The participation of R.A.O. was supported by the National Center for Advancing Translational Sciences of the National Institutes of Health under award number UL1TR001417.
The authors have disclosed that they have no significant relationship with, or financial interest in, any commercial companies pertaining to this article.
Corresponding author: Aaron Kaulfus, MS, Atmospheric Science Department, University of Alabama in Huntsville, National Space Science and Technology Center, 320 Sparkman Dr, Huntsville, AL 35805 (firstname.lastname@example.org).