[1] Maastricht Univ & Univ Hosp, Dept Pathol, Angiogenesis Lab, Res Inst Growth & Dev, NL-6202 AZ Maastricht, Netherlands
[2] Eindhoven Univ Technol, Biomed NMR, Dept Biomed Engn, NL-5600 MB Eindhoven, Netherlands
[3] Univ Minnesota, Dept Biochem Mol Biol & Biophys, Minneapolis, MN 55455 USA