On April 28, the First International Symposium on Cell Therapy, "State of the Art in Hematopoietic Progenitor Cell Transplantation," was held with the participation of Dr. Felipe Prósper (Clínica Universidad de Navarra, Spain), Dr. Manel Juan (Hospital Clínic, Spain), Dr. Antonio Pérez-Martínez (Hospital Universitario La Paz, Spain), Dr. Francisco Espinoza (Cells for Cells, Chile) and Dr. Maroun Khoury (International Society for Cell & Gene Therapy, LATAM), who shared their e