[1] Karolinska Inst, Canc Ctr Karolinska, Dept Oncol Pathol, SE-17176 Stockholm, Sweden
[2] Karolinska Inst, Dept Med Biochem & Biophys, Div Matrix Biol, SE-17177 Stockholm, Sweden
[3] Uppsala Univ, Rudbeck Lab, Dept Genet & Pathol, SE-75185 Uppsala, Sweden
[4] Wistar Inst Anat & Biol, Mol & Cellular Oncogenesis Program, Philadelphia, PA 19104 USA
[5] St Eriks Hosp, Karolinska Inst, Sect Ophthalmol & Vis, Dept Clin Neurosci, SE-11284 Stockholm, Sweden
[6] Ludwig Inst Canc Res, Biomed Ctr, SE-75124 Uppsala, Sweden
[7] RIKEN, Ctr Dev Biol, Chuou Ku, Kobe, Hyogo 6500047, Japan