1. International Max Planck Research School for Computational Biology and Scientific Computing, Department of Mathematics and Computer Science, Free University Berlin, Berlin, Germany.
2. Center for Bioinformatics, Saarland University, Saarbrücken, Germany.
3. Department of Mathematics and Computer Science, Free University Berlin, Berlin, Germany.
4. Instrumental Analysis and Bioanalysis, Saarland University, Saarbrücken, Germany.