- Correspondence to Professor Margaret M Madeleine, Department of Epidemiology, Fred Hutchinson Cancer Research Center, 1100 Fairview Ave N, M4-C308, Seattle, WA 98109, USA;
- Received February 9, 2016
- Revised June 22, 2016
- Accepted July 2, 2016
- First published August 2, 2016.
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