[1] Natl Univ Ireland, Inst Clin Sci, Sch Med Pathol, Galway, Ireland
[2] Natl Univ Ireland, Sch Nat Sci Biochem, Apoptosis Res Ctr, Galway, Ireland
[3] Catholic Univ Louvain, Dept Mol Cell Biol, Cell Death Res & Therapy Lab, Fac Med, B-3000 Louvain, Belgium
[4] Univ Chile, Fac Med, Biomed Neurosci Inst, Inst Biomed Sci, Santiago 7, Chile
[5] Univ Nebraska Med Ctr, Omaha, NE USA