1. Science for Life Laboratory; Division of Gene Technology; KTH Royal Institute of Technology; School of Biotechnology; SE-171 65 Solna Sweden
2. State Key Laboratory of Genetic Resources and Evolution; Kunming Institute of Zoology; Chinese Academy of Sciences; Kunming 650223 Yunnan China
3. Los Alamos National Laboratory; Theoretical Biology and Biophysics; MS K710; Los Alamos NM 87545
4. Department of Biology; Allegheny College; Meadville PA 16335
5. Department of Numerical Analysis and Computer Science; Swedish e-Science Research Centre; Stockholm University; SE-171 21 Stockholm Sweden
6. Science for Life Laboratory; Department of Computational Biology; KTH Royal Institute of Technology; School of Computer Science and Communication; SE-171 65 Solna Sweden