Funding
This work was supported by an intramural grant from the Ludwig Institute
for Cancer Research (to LLV and ELF); the U.S. National Cancer Institute
(CA70269 to ELF); the Canadian Institutes of Health Research (grants
MA-13647, MOP-49396, CRN-83320 to ELF). The funders of the study had no
involvement in study design; in the collection, analysis, and
interpretation of data; neither in the writing of the report; and in the
decision to submit the article. The corresponding author had full access
to all the data in the study and had final responsibility for the
decision to submit for publication.