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 Founding Dean Emeritus, Dr. Raymond C. and Doris N. Grandon Professor of Health Policy, Jefferson College of Population Health, Thomas Jefferson University, Philadelphia, Pennsylvania, USA.
1 Founding Dean Emeritus, Dr. Raymond C. and Doris N. Grandon Professor of Health Policy, Jefferson College of Population Health, Thomas Jefferson University, Philadelphia, Pennsylvania, USA.