1. Center for Molecular Modeling, Ghent University, Technologiepark 903, 9052 Gent, Belgium
2. Laboratory of Computational Biology, National Heart Lung Blood Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
3. Department of Information Technology, Ghent University, 9000 Gent, Belgium
4. Department of Theoretical Biophysics, Max Planck Institute of Biophysics, 60438 Frankfurt am Main, Germany
5. Institute for Biophysics, Goethe University Frankfurt, 60438 Frankfurt am Main, Germany