1. Department of Intelligent Biomedical Systems Engineering, Graduate School of Biomedical Engineering, Tohoku University
2. National Institute of Technology, Sendai College
3. Department of Radiological Imaging and Informatics, Tohoku University Graduate School of Medicine
4. Department of Management Science and Technology, Graduate School of Engineering, Tohoku University
5. Faculty of Science, University of South Bohemia in Ceske Budejovice