2014 年 90 巻 4 号 p. 107
Due to author’s request, one of the author’s name (Toshihito YOSHIHITO) should be corrected to
Toshihito YOSHIMOTO. The corrected author’s name list is as follows:
Shinichi ABE1, Tadashi NAKAO1, Toshihito YOSHIMOTO1, Seppo PARKKILA2,
Gen MURAKAMI3 and Baik Hwan CHO4