1. College of Physical Science and Technology, Dalian University
2. Belarusian State University
3. AGH University of Krakow, Faculty of Physics and Applied Computer Science, Department of Solid State Physics
4. Institute of Materials Science, Vietnam Academy of Science and Technology
5. Physics Department, Hanoi National University of Education
6. Department of Physics, University of Gothenburg
7. Graduate University of Science and Technology, Vietnam Academy of Science and Technology