Characterize Flu-like Symptoms in Relapsing Multiple Sclerosis Patients Transitioning From Non-Pegylated Interferon Beta (IFN-β) Therapies to Peginterferon Beta-1a (BIIB017)

Research Site, Plainview

Research Site, Latham

Research Site, Newark

Research Site, Dover

Research Site, Newport News

Research Site, Roanoke

Research Site, Asheville

Research Site, Greenville

Research Site, Atlanta

Research Site, Jacksonville

Research Site, Melbourne

Research Site, Tampa

Research Site, Franklin

Research Site, Knoxville

Research Site, Louisville

Research Site, Lexington

Research Site, Akron

Research Site, Uniontown

Research Site, Dayton

Research Site, Detroit

Research Site, Great Falls

Research Site, Chesterfield

Research Site, St Louis

Research Site, Kansas City

Research Site, Lincoln

Research Site, Oklahoma City

Research Site, Boulder

Research Site, Fort Collins

Research Site, Salt Lake City

Research Site, Phoenix

Research Site, Phoenix

Research Site, Gilbert

Research Site, Tucson

Research Site, Portland

Research Site, Spokane

Research Site, Boston

Research Site, Lexington

Research Site, Worcester