[1] NCI, Mouse Canc Genet Program, FCRDC, Frederick, MD 21702 USA
[2] Univ Padua, Ctr Biomembranes, Dept Biomed Sci, I-35121 Padua, Italy
[3] Univ Padua, Ctr Biomembranes, CNR, I-35121 Padua, Italy
[4] Mayo Clin, Mayo Grad Sch, Dept Immunol, Rochester, MN 55905 USA
[5] Mayo Clin, Mayo Grad Sch, Dept Neurol, Rochester, MN 55905 USA
[6] Mayo Clin, Mayo Med Sch, Dept Immunol, Rochester, MN 55905 USA
[7] Mayo Clin, Mayo Med Sch, Dept Neurol, Rochester, MN 55905 USA
[8] Case Western Reserve Univ, Sch Med, Dept Physiol & Biophys, Cleveland, OH 44106 USA
[9] Baylor Coll Med, Dept Mol & Human Genet, Houston, TX 77030 USA
[10] Glaxo Wellcome Res & Dev Ltd, Clin Genet Dis Sci, Stevenage SG1 2NY, Herts, England