Real-World Data for Safety Studies: Challenges and Opportunities From the Italian Multiple Sclerosis and Related Disorders Register.

Salivetto M, Guerra T, Paletta P, Lepore V, Mosconi P, Iaffaldano P, Ponzio M, Scientific Committee of the Italian Multiple Sclerosis and Related Disorders Register*, Research Assistant Network of the Italian Multiple Sclerosis and Related Disorders Register**, Italian Multiple Sclerosis and Related Disorders Register Centres Group***