Performance of Treatment Response Assessment at Day 7 by Baseline Acute Graft-versus-Host Disease Severity. - Louloudis IE; Chen YB; Spyrou N; Alousi A; Katsivelos N; Ayuk F; Weber D; Hogan WJ; Etra AM; Qayed M; Aguayo-Hiraldo P; Akahoshi Y; et al. (Transplantation and cellular therapy, 2026)