1. Faculty of Electrical Engineering and Computer Science, University of Maribor, 2000 Maribor, Slovenia
2. Science Department, Symptoma GmbH, 1030 Vienna, Austria
3. Department of Internal Medicine, Paracelsus Medical University, 5020 Salzburg, Austria
4. Department of Psychology, Faculty of Arts, University of Maribor, 2000 Maribor, Slovenia
5. Institute of Clinical and Preventive Medicine, University of Latvia, LV-1586 Riga, Latvia
6. Department of Information System Management, Centre Hospitalier Universitaire de Liège, 4000 Liège, Belgium
7. Department of Oncology, University Medical Centre Maribor, 2000 Maribor, Slovenia