Xenotransplantation, which is published bi-monthly, provides its readers with rapid communication of new findings in the field of organ and tissue transplantation across species barriers with the goal of clinical xenotransplantation (for the purpose of clinical application). Unsolicited contributions of full length and brief communications dealing with both basic and applied studies in this field will be considered for publication pending scientific review to assure high quality. In addition, review articles of timely subjects will be solicited by the editors. Xenotransplantation is the journal for all those who wish to stay at the forefront of this fast developing and emerging field.