American Journal of Epidemiology Advance Access originally published online on February 17, 2007
American Journal of Epidemiology 2007 165(7):846-847; doi:10.1093/aje/kwk121
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American Journal of Epidemiology Copyright © 2007 by the Johns Hopkins Bloomberg School of Public Health All rights reserved; printed in U.S.A.
LETTERS TO THE EDITOR |
THE AUTHORS REPLY
1 Centre for Chronic Disease Prevention and Control, Public Health Agency of Canada, Ottawa, Ontario, Canada K1A 0K9
2 Department of Public Health Sciences, University of Toronto, Toronto, Ontario, Canada M5T 3M7
3 Informatics Research and Development, Cancer Care Ontario, Toronto, Ontario, Canada M5G 2L7
4 Department of Social and Preventive Medicine, Laval University, Laval, Quebec, Canada G1K 7P4
(e-mail: Yang_Mao@hc-sc.gc.ca)
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We thank Didie and Phillips (1) for their interest in our work (2) and their comment on the relevance of