1. Computational Biophysics, German
Research School for Simulation Sciences, 52425 Jülich, Germany
2. Department of Molecular Biophysics
and Physiology, Rush University, Chicago, Illinois 60612, United States
3. Computational Biophysics, German
Research School for Simulation Sciences, 52425 Jülich, Germany
and Institute for Advanced Simulation IAS-5, Computational Biomedicine,
Forschungszentrum Jülich, 52425 Jülich, Germany