1. Business Information Systems, University of Rostock, Rostock, Mecklenburg-Vorpommern, Germany
2. Department of Systems Biology and Bioinformatics, University of Rostock, Rostock, Mecklenburg-Vorpommern, Germany
3. Stellenbosch Institute for Advanced Study (STIAS), Wallenberg Research Centre, Stellenbosch University, Stellenbosch, South Africa
4. ITMO University, 49 Kronverksky Pr., St. Petersburg, Russia
5. Visual Computing and Computer Graphics, University of Rostock, Rostock, Mecklenburg-Vorpommern, Germany
6. Scientific Databases and Visualization, Heidelberg Institute for Theoretical Studies, Heidelberg, Germany