14. Meeting RBC-transfusion criteria (Hb ≤6.9 g/dL= 4.3 mmol/L with intolerable symp-toms of anaemia like severe palpitations, severe dizziness, shortness of breath at rest or syncope or an Hb ≤6.4 g/dL (4.0 mmol/L) without intolerable symptoms of anaemia)