COVID-19(27) Patient(13) reported(10) pandemic(9) identify(9) evaluated(8) SARS-CoV-2(8) disease(8) coronavirus disease(8) multiple sclerosis(7) moderate(7) patients with COVID-19(7) analyzed(6) outcome(6) COVID-19 disease(6) conducted(6) mental health(6) death(6) hospital(6) severity(6) patients(5) Quality of life(5) risk(5) Affect(5) Multiple(5) Treatment(5) cross-sectional(5) Prevalence(5) COVID-19 patients(5) Sex(5)