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CONSORT diagram.
(*) 6 patients died: 2 from progressive/persistent disease, 1 from infection, 1 from hemorrhage, 2 from other/unreported reason. None of the deaths were the first event.
(**) 21 patients died: 18 from progressive/persistent disease, 3 from other/unknown reason. The death was the first event in one patient.
Patients with discontinued intervention or lost to follow-up were censored at date last seen. Of the 3 patients with SMN, 2 as shown had the SMN as first event.
