A Multicenter, Prospective, Non-interventional Study to Assess Adherence to Treatment for patIeNts With RMS Who Are Prescribed Subcutaneous (sc) Interferon Beta-1a (MAIN-MS)

This is an open label, non randomized, uncontrolled, multicenter, single arm observational study. In this study, the enrolled subjects will be treated with Rebif human serum albumin (HSA)-free formulation (with or without RebiSmart) 44 microgram (mcg), subcutaneous (sc), thrice in a week (tiw) for 24 months.