1. Transplantation Immunobiology Section, University of León, Leon, Spain
2. Acción Estratégica en Salud, Consorcio CIBER-ONC, Seville, Spain
3. Department of Animal Health, Mountain Livestock Institute (CSIC), School of Veterinary Sciences, University of Leon, Leon, Spain
4. Visceral and Transplantation Surgery, Department of Surgery, University Hospitals of Geneva and Faculty of Medicine, Geneva, Switzerland
5. MRC Centre of Immune Regulation, School of Immunity and Infection, Medical School, University of Birmingham, Birmingham, United Kingdom
6. Department of Biochemistry, University of Lausanne, Epalinges, Switzerland
7. Department of Hematology, University Hospital Virgen del Rocio/Institute of Biomedicine (IBIS/CSIC), Sevilla, Spain
8. Leon Regional Transplantation Coordination Center, Leon University Hospital, Leon, Spain