1. Medical Life System, Faculty of Life and Medical Science, Doshisha University, 1-3 Tatara Miyakodani, Kyotanabe, Kyoto 610-0394, Japan
2. Fushimi Okamoto Hospital, 9-50 Kyomachi, Hushimi-Ku, Kyoto, Kyoto 612-8083, Japan
3. Kusatsu General Hospital, 1660 Yabase-cho, Kusatsu, Shiga 525-8585, Japan
4. Kainan Hospital, 396 Minamihonden, Maegasu-cho, Yatomi, Aichi 498-8502, Japan