1. Environmental Health Sciences Division, School of Public Health, University of California, Berkeley, Berkeley, California, USA
2. Harvard Center for Population and Development Studies, Harvard T.H. Chan School of Public Health, Cambridge, Massachusetts, USA
3. School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada
4. Menzies Institute of Medical Research, University of Tasmania, Hobart, Tasmania, Australia
5. Environmental Health Services, Department of Health and Human Services, Hobart, Tasmania, Australia
6. Department of Environmental Health Sciences, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, California, USA
7. Department of Medicine, University of California, San Francisco, San Francisco, California, USA
8. Office of the Chief Medical Officer of Health, Yukon Health and Social Services, Whitehorse, Yukon, Canada