1. Computer Science and CEWIT, SUNY Stony Brook, 1500 Stony Brook Road, Stony Brook, NY 11794, USA
2. Lab Modeling of Evolution, I. M. Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, pr. Torez 44, St. Petersburg 194223, Russia
3. Center for Advanced Studies, Peter the Great St. Petersburg Polytechnical University, 29 Polytechnicheskaya St. Petersburg 195251, Russia
4. Department of Bioinformatics, Moscow Institute of Physics and Technology, 9 Institutskiy per., Dolgoprudny, Moscow 141700, Russia
5. Mathematics Department, British Columbia Institute of Technology, 3700 Willingdon Avenue, Burnaby, BC, Canada V5G 3H2, Canada
6. Department of Biology, University of Victoria, Victoria, BC, Canada V8W 2Y2, Canada