1. Algorithmic Biology Laboratory, St. Petersburg Academic University, Russian Academy of Sciences, St. Petersburg, Russia.
2. Department of Mathematics and Mechanics, St. Petersburg State University, St. Petersburg, Russia.
3. Theodosius Dobzhansky Center for Genome Bioinformatics; St. Petersburg State University, St. Petersburg, Russia.
4. Bigelow Laboratory for Ocean Sciences, East Boothbay, Maine.
5. DOE Joint Genome Institute, Walnut Creek, California.
6. J. Craig Venter Institute, La Jolla, California.
7. Department of Mathematics, University of California, San Diego, La Jolla, California.
8. Department of Computer Science and Engineering, University of South Carolina, Columbia, South Carolina.
9. Department of Computer Science and Engineering, University of California, San Diego, La Jolla, California.