10 Transfusion Department, University Hospital Hradec Králové, Hradec Králové, Czech Republic.
11 North Estonia Medical Centre's Blood Centre, Collection and Production Department, Tallinn, Estonia.
12 Finnish Red Cross Blood Service, Helsinki, Finland.
13 Etablissement Français du Sang Bretagne, Rennes, France.
14 Etablissement Français du Sang, La Plaine Saint Denis, France.
15 Institute for Transfusion Medicine and Immunohaematology, University Clinics of the Johann Wolfgang Goethe, University Frankfurt/Main, German Red Cross Blood Transfusion Service Baden-Wuerttemberg-Hessen, Frankfurt/Main, Germany.
16 Hellenic Centre for Disease Control and Prevention, Hellenic Coordinating Haemovigilance Centre, Athens, Greece.
17 Department of Clinical and Molecular Medicine, Sapienza University of Rome, Rome, Italy.
18 Immunohaematology and Transfusion Medicine Unit, Sant'Andrea Hospital, Rome, Italy.
19 State Blood Donor Centre, Riga, Latvia.
20 Medicine Public Institution, National Blood Centre, Vilnius, Lithuania.
21 Retired Luxembourg Blood Services, Luxembourg.
22 Malta National Blood Transfusion Service, Pietà, Malta.
23 Institute of Haematology and Transfusion Medicine, Warsaw, Poland.
24 Coimbra Blood and Transplantation Centre, Coimbra, Portugal.
25 Blood Transfusion Centre, Bihor County, Romania.
26 National Transfusion Service, Bratislava, Slovak Republic.
27 Blood Donor Selection and Collection Unit, Blood Supply Department, Blood Transfusion Centre of Slovenia, Ljubljana, Slovenia.
28 Basque Country Blood Transfusion Service, Galdakao, Bizkaia, Spain.
29 Clinic of Immunology and Transfusion Medicine, Uppsala University Hospital, Uppsala, Sweden.
30 NHS Blood and Transplant, Filton, United Kingdom.