Progression on the multiple sclerosis functional composite in multiple sclerosis: What is the optimal cut-off for the three components?

1. Bosma, L.V.A.E.
2. Kragt, J.J.
3. Brieva, L.
4. Khaleeli, Z.
5. Montalban, X.
6. Polman, C.
7. Thompson, A.
8. Tintoré, M.
9. Uitdehaag, B.M.J.