1. Jiménez Díaz Foundation-Health Research Institute; UAM; Madrid Spain
2. Rey Juan Carlos University Hospital; Móstoles Spain
3. Histocompatibility Lab.; Community Transfusion Center of Madrid; Madrid Spain
4. Madrid Sanitary Center Sandoval; Madrid Spain
5. Carlos III-La Paz University Hospital; Madrid Spain
6. CIBERehd; Madrid Spain
7. Jiménez Díaz Foundation University Hospital; Madrid Spain