HSC Processing and Cell Therapy Unit, Blood and Tissue Bank of Cantabria, Marqués de Valdecilla Foundation, Hospital de la Santa Cruz de Liencres, Liencres Cantabria, Spain; Haematologic Neoplasms and Haematopoietic Stem Cells Transplantation Group, Marqués de Valdecilla Research Institute, Santander, Spain. Electronic address: