1. Hokkaido University, Research Institute for Electronic Science, N20W10, Kita-Ward, Sapporo, Hokkaido 001-0020, JapanbHokkaido University, Graduate School of Information Science and Technology, N14W9, Kita-Ward, Sapporo, Hokkaido 060-0814, JapancCitizen Ho
2. Hokkaido University, Research Institute for Electronic Science, N20W10, Kita-Ward, Sapporo, Hokkaido 001-0020, JapanbHokkaido University, Graduate School of Information Science and Technology, N14W9, Kita-Ward, Sapporo, Hokkaido 060-0814, Japan
3. Citizen Holdings Co. Ltd., 840, Shimotomi, Tokorozawa, Saitama 359-8511, Japan