D. S. Baek, G. Y. Jung, S. K. Kwak, and S. H. Joo (Ulsan National Institute of Science and Technology)

H. P. R. Graha (Tokyo Institute of Technology), S. Miyanishi (JST-CREST, Tokyo Institute of Technology), S. Ando (Kanagawa Institute of Industrial Science and Technology), and T. Yamaguchi (JST-CREST, Tokyo Institute of Technology)

M. Sakamoto (Yamanashi Prefecture Enterprise Bureau), D. Izuhara (TORAY Industries, Inc.), H. Sotouchi (TEPCO HD Co., Ltd.), and F. Aoyagi (TAKAOKA TOKO Co., Ltd.)

X. Zhang (University of Missouri-Columbia)

H. M. Fruehwald, R. B. Moghaddam, O. V. Zenkina, and E. B. Easton (Ontario Tech University)

J. Adame Solorio, F. Godinez-Salomon, and C. P. Rhodes (Texas State University)

C. Pak (Gwangju Institute of Science and Technology)

T. Fujigaya (WPI-I2CNER, Kyushu University), A. Inada, Y. Kakita (Kyushu University), and K. Ito (Department of Hydrogen Energy Systems, Kyushu University)