Thank you for your interest in participating in the Update and Analysis of the Sonya Slifka Longitudinal Multiple Sclerosis Study. To see if you qualify for the study, please select the appropriate link below.

I am a previous Slifka Study participant.

I was diagnosed with Multiple Sclerosis on or after 1, 2017.

I was diagnosed with Multiple Sclerosis before 1, 2017 and am not a previous Slifka Study Participant.

I have not been diagnosed with Multiple Sclerosis.