“…Common second‐line therapies included rituximab in 17 studies (40%), 6,14,15,17,22,25,28,32,34,37–39,44,47,48,50,52 cyclosporine in 13 studies (30%), 5,15,27,28,32,34,36–38,41,44,47,48 IVIG in 13 studies (30%), 14,15,17,22,25,27,31,32,34,36,39,47,50 and/or combinations of these therapies. Of the three studies that did not report treatments, one focused on the reporting results of DAT testing, 18 another only looked at diagnostic testing, 42 and another analyzed the delay seen in diagnosing ES in those with underlying autoimmune conditions 33 …”