1. Department of Computer Science, University of Oxford, Oxford, UK.
2. Department of Informatics and Media, Uppsala University, Uppsala, Sweden.
3. Institute of Communication and Computer Systems, National Technical University of Athens, Athens, Greece.
4. Department of Paediatric Haematology and Oncology, Saarland University Hospital, Homburg, Germany.
5. Institute of Computer Science at the Foundation for Research and Technology–-Hellas, Heraklion, Crete, Greece.
6. Department of Pathology, University of New Mexico, Albuquerque, NM, USA.
7. Harvard-MIT (HST), Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, USA.