title: The authors reply.
authors.affiliation: Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden, and Department of Anesthesiology and Intensive Care, Danderyds Hospital, Stockholm, Sweden; Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden, and Division of Hematology, Department of Medicine, Karolinska University Hospital, Stockholm, Sweden.
authors.forename: Märit Amanda
authors.initials: MA
authors.lastname: Halmin
authors.forename: Gustaf
authors.initials: G
authors.lastname: Edgren
mesh_terms: D004906:Erythrocyte Count; D005260:Female; D006470:Hemorrhage / Q000401:mortality*; D006801:Humans; D008297:Male; D010953:Plasma Volume; D014947:Wounds and Injuries / Q000401:mortality*