First results of the COVID-19 in ms global data sharing initiative suggest anti-CD20 dmts are associated with worse covid-19 outcomes - Simpson-Yap, S.; De Brouwer, E.; Kalincik, T.; Rijke, N.; Hillert, J.; Walton, C.; Edan, G.; Moreau, Y.; Spelman, T.; Geys, L.; Parciak, T.; Gautrais, C.; et al. (Sage Publications Ltd, 2020)