Important visitors at Hannover Medical School: Prince Ernst August of Hanover and the president of the region Hanover, Hauke Jagau, visited the Cluster of Excellence REBIRTH (From REgenerative BIology to Reconstructive THerapy) on November 26, 2014. “We are delighted that the Prince and the president of the region show such an interest”, says Prof. Dr. Axel Haverich, director of the Department of Cardiothoracic, Transplantation and Vascular Surgery (HTTG). They visited, amongst others, the LEBAO and some patients and were informed especially about heart valves which grow with the patient and about REBIRTH active.