1. Centro de Transfusion de Madrid; Madrid Spain
2. Clinical Immunology and Transfusion Medicine; Sahlgrenska University Hospital; Gothenburg Sweden
3. National Blood Centre, Thai Red Cross Society; Bangkok Thailand
4. International Blood Group Reference Laboratory, NHS Blood and Transplant; Bristol UK
5. Progenika Biopharma-Grifols; Medford Massachusetts
6. Grifols Shared Services; San Marcos Texas