[1] Univ Penn, Dept Physiol, Philadelphia, PA 19104 USA
[2] CNRS, Inst Curie, UMR 3306, INSERM,U1005, F-91405 Orsay, France
[3] RAS, Ctr Theoret Problems Phys Chem Pharmacol, Moscow 119991, Russia
[4] Univ Porto, Inst Biol Mol & Celular, Chromosome Instabil & Dynam Lab, P-4100 Oporto, Portugal
[5] Univ Porto, Fac Med, Dept Expt Biol, Cell Div Unit, P-4200319 Oporto, Portugal