title: Validation of the hematopoietic cell transplantation-specific comorbidity index (HCT-CI) in single and multiple institutions: limitations and inferences.
authors.forename: Mohamed L
authors.initials: ML
authors.lastname: Sorror
authors.forename: Barry
authors.initials: B
authors.lastname: Storer
authors.forename: Rainer F
authors.initials: RF
authors.lastname: Storb
mesh_terms: D015331:Cohort Studies; D015897:Comorbidity; D018380:Hematopoietic Stem Cell Transplantation; D006801:Humans; D015337:Multicenter Studies as Topic; D010361:Patients / Q000145:classification; D016896:Treatment Outcome