research institute of electrical communication, tohoku university katahira campus, 2-1-1 katahira, aoba-ku, sendai, miyagi, japan (on the premises of katahira complex, tohoku university)

3-1-1 futaba-cho, toyonaka-shi, osaka

53 kunotsubo, terado-cho, muko-city, kyoto, japan

162-4, meibu, taiki-machi, hiroo-gun, hokkaido, japan

17-5 17-7 sarugaku, shibuya-ku, tokyo

1-5-1 otsuka, inzai city, chiba prefecture

4-640 shimoshiyodo, kiyose-shi, tokyo

2-10-1 osaki, shinagawa-ku, tokyo

1-5000, 2-5000 tamagawa, setagaya-ku, tokyo

41 shizugawa aza shiroba, minamisanriku-cho, motoyoshi-gun, miyagi prefecture (in the shizugawa elementary school temporary housing area)