1. Immunohematology Laboratory Azienda Sanitaria Universitaria Friuli Centrale (ASU FC) Udine Italy
2. Immunohematology Laboratory Basque Centre for Blood Transfusion & Human Tissues Galdakao Spain
3. Cell Therapy Stem Cells and Tissues Group, Biocruces Bizkaia Health Research Institute Barakaldo Spain
4. Nordic Reference Laboratory for Genomic Blood Group Typing Lund University Hospital Lund Sweden