1 Department of Environmental Health Science, Richard M. Fairbanks School of Public Health, Indiana University, Bloomington, Indiana, USA.
2 Department of Social and Behavioral Sciences, Richard M. Fairbanks School of Public Health, Indiana University, Bloomington, Indiana, USA.
3 Department of Experimental and Health Sciences, Centre for Research in Occupational Health (CiSAL), Pompeu Fabra University, CIBER of Epidemiology and Public Health, Barcelona, Spain.