Submitted
05/14/13
Revised
06/24/13
Accepted
06/24/13
Disclosure of Potential Conflicts of Interest
No potential conflicts of interest were disclosed.
Acknowledgments
DPK acknowledges the MD Anderson Cancer Center core grant (CA 16672) and The Frances King Black Endowment. We thank Nathaniel D Albert for invaluable technical support. This study was supported in part by the National Council of Scientific and Technological Development (CNPq—Brazil).