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 From the Department of Neurology (C.S., R.D.B.) and Division of Rheumatology (G.G.H.), Mayo Clinic, Rochester, MN; and the Division of Rheumatology, Azienda Ospedaliera-IRCCS di Reggio Emilia and Università di Modena e Reggio Emilia, Reggio Emilia, Italy (C.S.).
1 From the Department of Neurology (C.S., R.D.B.) and Division of Rheumatology (G.G.H.), Mayo Clinic, Rochester, MN; and the Division of Rheumatology, Azienda Ospedaliera-IRCCS di Reggio Emilia and Università di Modena e Reggio Emilia, Reggio Emilia, Italy (C.S.).