[1] Heidelberg Univ, Joint Res Div Vasc Biol, Med Fac Mannheim CBTM, D-6900 Heidelberg, Germany
[2] DKFZ ZMBH Alliance, German Canc Res Ctr Heidelberg, Heidelberg, Germany
[3] Korea Adv Inst Sci & Technol, Natl Res Lab Vasc Biol, Taejon 305701, South Korea
[4] Korea Adv Inst Sci & Technol, Biomed Res Ctr, Dept Biol Sci, Taejon 305701, South Korea
[5] Regeneron Pharmaceut Inc, Tarrytown, NY 10591 USA
[6] Univ Helsinki, Biomedicum, Lab Mol Canc Biol, Dept Pathol,Haartman Inst, Helsinki 00014, Finland