1 Health Canada, Environmental and Radiation Health Sciences Directorate, Consumer and Clinical Radiation Protection Bureau, 775 Brookfield Road, Ottawa, Ontario K1A 1C1, Canada.
2 Health Canada, Population Studies Division, Biostatistics Section, 200 Eglantine Driveway, Tunney's Pasture, Ottawa, Ontario, Canada.
3 Health Canada, Environmental and Radiation Health Sciences Directorate, Office of Science Policy, Liaison and Coordination, 269 Laurier Avenue West, Ottawa, Ontario, Canada.
4 Health Canada, Environmental Health Program, Health Programs Branch, Regions and Programs Bureau, 1505 Barrington Street, Halifax, Nova Scotia, Canada.
5 Health Canada, Air Health Science Division, 269 Laurier Avenue West, Ottawa, Ontario, Canada.
6 Department of Psychiatry, University of Ottawa, c/o Carlington Community Health Center, 900 Merivale Road, Ottawa, Ontario, Canada.
7 Department of Urban Environment and Safety, Netherlands Organization for Applied Scientific Research, P.O. Box 49, 2600 AA Delft, The Netherlands.
8 Faculty of Medicine, University of Montreal, C.P. 6128, succ. Centre-ville, Montreal, Quebec, Canada.
9 The Amsterdam Public Health Service (GGD Amsterdam), Environmental Health Department, Nieuwe Achtergracht 100, Amsterdam, The Netherlands.