1. From the Vascular Biology and Tumor Angiogenesis (R.B., S.S.L., J.W., A.B., S.E.H., M.G.A., A.T., H.G.A., A.F.), Medical Faculty Mannheim (CBTM), Heidelberg University, Mannheim; and Vascular Oncology and Metastasis (S.S.L., J.W., A.B., S.E.H., M.G.A., H.G.A., A.F.), German Cancer Research Center (DKFZ-ZMBH Alliance), Heidelberg, Germany.