1. Visualization Research Center; University of Stuttgart; Germany
2. Faculty of Informatics; Masaryk University; Czech Republic
3. Department of Visual Data Analysis; Zuse Institute Berlin; Germany
4. Laboratoire de Biochimie Théorique; UPR 9080 CNRS France
5. Department of Informatics; University of Bergen; Norway
6. Institute of Computer Graphics and Algorithms; TU Wien Austria