Early Echocardiographic and Serum Biomarkers Predict Thrombotic Microangiopathy, Endotheliopathy, and Survival After Pediatric Hematopoietic Stem Cell Transplant. - Smith MA; Hutchinson Z; Colglazier E; Parker C; Higham CS; Fineman JR; Zinter MS; Dvorak CC; Nawaytou HM (Transplantation and cellular therapy, 2026)