- Dr D Rotin, Program in Cell Biology, Hospital for Sick Children, 555 University Ave, Toronto, Ontario M5G 1X8, Canada; or Dr M Silverberg, Mount Sinai Hospital Inflammatory Bowel Disease Group, University of Toronto, 600 University Ave, Toronto, Canada M5G 1X8;
- Revised March 17, 2009
- Accepted March 31, 2009
- First published April 26, 2009.
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