1. Research Institute of Electrical Communication (RIEC), Tohoku University, Sendai, Japan.
2. Graduate School of Engineering, Tohoku University, Sendai, Japan.
3. Max Planck Institute for Dynamics and Self-Organization, Göttingen, Germany.
4. Graduate School of Biomedical Engineering, Tohoku University, Sendai, Japan.
5. Max Planck Institute for Biological Cybernetics, Tübingen, Germany.
6. Department of Computer Science, University of Tübingen, Tübingen, Germany.
7. Departamento de Electromagnetismo y Física de la Materia, Universidad de Granada, Granada, Spain.
8. Departament de Física de la Matèria Condensada, Universitat de Barcelona, Barcelona, Spain.
9. Universitat de Barcelona Institute of Complex Systems (UBICS), Barcelona, Spain.
10. Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan.
11. Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, Sendai, Japan.
12. Institute for the Dynamics of Complex Systems, University of Göttingen, Göttingen, Germany.
13. Instituto Carlos I de Física Teórica y Computacional, Universidad de Granada, Granada, Spain.