1 Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles (UCLA), 650 Charles E. Young Dr. South, Los Angeles, CA, 90095, USA.
2 Department of Statistics, UCLA College of Letters and Science, Los Angeles, CA, USA.
3 Department of Public Health, Aarhus University, Aarhus, Denmark.
4 Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
5 Clinical Biomarkers Laboratory, Division of Pulmonary, Allergy, and Critical Care Medicine, School of Medicine, Emory University, Atlanta, GA, USA.
6 Department of Medicine, Emory University, Atlanta, GA, USA.
7 Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles (UCLA), 650 Charles E. Young Dr. South, Los Angeles, CA, 90095, USA. britz@ucla.edu.
8 Department of Environmental Health Sciences, UCLA Fielding School of Public Health, Los Angeles, CA, USA. britz@ucla.edu.
9 Department of Neurology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA. britz@ucla.edu.