CKD chronic kidney disease
CNI calcineurin inhibitor
CSA cyclosporine
GFR glomerular filtration rate
GVHD graft-versus-host disease
HKCH Hong Kong Children’s Hospital
HSCT hematopoietic stem cell transplantation
HUS hemolytic-uremic syndrome
LDH lactate dehydrogenase
TA-TMA transplant-associated thrombotic microangiopathy
TTP thrombotic thrombocytopenic purpura