1. Kyushu Institute of Technology, Iizuka, Japan
2. Sumitomo Electric Industries, Ltd., Konohana-ku, Japan
3. Furukawa Electric Company, Hiratsuka, Japan
4. Kyushu University, Nishi-ku, Japan
5. Korea Electrotechnology Research Institute, Changwon, South Korea
6. National High Magnetic Field Laboratory, Tallahassee, FL, USA
7. Durham University, Durham, U.K.
8. University of Paris-Saclay, Paris, France
9. Instituto de Ingeniería, Universidad Nacional Autónima de México, Ciudad de México, México
10. Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing, China
11. Guangdong Power Grid Corporation, Guangzhou, China
12. Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, China
13. Shanghai International Superconductor Technology Company, Ltd., Shanghai, China
14. Institute of Physics, Chinese Academy of Sciences, Beijing, China