Validation and Scaling of Screening Program for Undiagnosed Myasthenia Gravis-Social Media Campaign Paired With a Self-moderated Assessment

Inclusion Criteria: * Reside within the 50 states of the United States at the time of enrollment * Age 19 or older if reside in Nebraska or Alabama, Age 21 or older if reside in Mississippi, Age 18 years or older if reside in any other state * Active email account * Fluency in English (spoken / written), as demonstrated by the ability to read and sign the Informed Consent Form Exclusion Criteria: * Live in an overseas territory of the United States * Inability or unwillingness to provide written informed consent * Diagnosed myasthenia gravis, including sero-negative MG\* * Diagnosed multiple sclerosis * Have speech impairment, eye/arm/leg weakness due to diagnosed brain cancer, or stroke