1. Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
2. Department of Bioengineering, Faculty of Engineering, University of Firat, 23119 Elazig, Turkey.
3. Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
4. Department of Physics, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
5. Center for Biophysics and Quantitative Biology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
6. National Center for Supercomputing Applications, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.