1. St James's University Hospital Leeds UK
2. Radboud University Nijmegen Medical Centre Nijmegen The Netherlands
3. University of Duisburg‐Essen Essen Germany
4. Department of Haematological Medicine King's College Hospital London UK
5. Federico II University Naples Italy
6. Institute of Clinical Transfusion Medicine and Immunogenetics German Red Cross Blood Transfusion Service and Institute of Transfusion Medicine University of Ulm Ulm Germany
7. Royal Melbourne Hospital Melbourne Australia
8. St. James's Hospital Trinity College Dublin Dublin Ireland
9. Taussig Cancer Center Cleveland Clinic Cleveland OH USA
10. Saarland University Medical School Homburg‐Saarland Germany
11. Grupo de Trabajo de HPN de la Sociedad Española de Hematología y Hemoterapia Barcelona Spain
12. Duke University Medical Center Durham NC USA
13. Hôpital Saint‐Louis and Institut National de la Santé et de la Recherche Médicale (INSERM) Paris France
14. Johns Hopkins University School of Medicine Baltimore MD USA