Study to Evaluate the Long-Term Safety, Tolerability and Efficacy of Dalfampridine.

Acorda Site #172, New York

Acorda Site #114, White Plains

Acorda Site #179, Patchogue

Acorda Site #122, Philadelphia

Acorda Site #175, Fulton

Acorda Site #182, Falls Church

Acorda Site #176, Richmond

Acorda Site #132, Winston-Salem

Acorda Site #166, Chapel Hill

Acorda Site #167, Durham

Acorda Site #162, Mooresville

Acorda Site #184, Jacksonville

Acorda Site #128, Hialeah

Acorda Site #103, Miami

Acorda Site #133, Miami

Acorda Site #119, Deerfield Beach

Acorda Site #115, Atlantis

Acorda Site #106, Tampa

Acorda Site #161, Naples

Acorda Site #157, Memphis

Acorda Site #146, Lexington

Acorda Site #137, Columbus

Acorda Site #116, Dayton

Acorda Site #148, Avon

Acorda Site #156, Franklin

Acorda Site #188, Fort Wayne

Acorda Site #164, Farmington Hills

Acorda Site #123, East Lansing

Acorda Site #159, Grand Rapids

Acorda Site #111, Great Falls

Acorda Site #171, Chicago

Acorda Site #101, Kansas City

Acorda Site #150, New Orleans

Acorda Site #113, Dallas

Acorda Site #165, Dallas

Acorda Site #108, Houston

Acorda Site #124, Colorado Springs

Acorda Site #117, Gilbert

Acorda Site #140, Reno

Acorda Site #138, Long Beach

Acorda Site #142, Pasadena

Acorda Site #170, Carlsbad

Acorda Site #163, San Diego

Acorda Site #105, Newport Beach

Acorda Site #109, Berkeley

Acorda Site #153, Sacramento

Acorda Site #181, Honolulu

Acorda Site #168, Portland

Acorda Site #126, Portland

Acorda Site #152, Corvallis

Acorda Site #154, Raleigh

Acorda Site #147, Gainesville

Acorda Site #151, San Diego

Acorda Site #107, Spokane

Acorda Site #110, Danbury

Acorda Site #149, Fairfield

Acorda Site #130, Stamford

Acorda Site #136, Boston

Acorda Site #121, Boston

Acorda Site #131, New Brunswick

Acorda Site #177, Stratford

Acorda Site #144, Providence

Acorda Site #203, Fredericton

Acorda Site #202, Halifax

Acorda Site #201, Greenfield Park

Acorda Site #204, Montreal