Nakao, Motoyuki
Yamauchi, Keiko
Ishihara, Yoko
Solongo, Bandi
Ichinnorov, Dashtseren
Breugelmans, Raoul
Funding for this research was provided by:
Ministry of Education, Culture, Sports, Science, and Technology (Grants-in-Aid for Scientific Research (B) 20406001, 23406001 and (C) 26340053, “MEXT-Supported Program for the Strategic Research Foundation at Private Universities”)