1. Division of Molecular Neurobiology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, S-171 77 Stockholm, Sweden.
2. Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Uppsala University, Dag Hammarskjölds väg 20, S-751 85 Uppsala, Sweden.
3. Division of Vascular Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, S-171 77 Stockholm, Sweden.
4. Department of Oncology-Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden.