An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
1 Division of Hematology/Oncology, Hospital for Sick Children and Department of Pediatrics, University of Toronto, Toronto, Ontario M5G 1X8, Canada. david.malkin@sickkids.ca.
2 Division of Population Sciences, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02215, USA.
3 Department of Genetics, University of Texas M. D. Anderson Cancer Center, Houston, TX 77030, USA.
1 Division of Hematology/Oncology, Hospital for Sick Children and Department of Pediatrics, University of Toronto, Toronto, Ontario M5G 1X8, Canada. david.malkin@sickkids.ca.
2 Division of Population Sciences, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02215, USA.
3 Department of Genetics, University of Texas M. D. Anderson Cancer Center, Houston, TX 77030, USA.