1. Osaka Medical and Pharmaceutical University, Takatsuki, Japan.
2. Tenri Health Care University, Tenri, Japan.
3. Mukogawa Women's University, Nishinomiya, Japan.
4. St. Luke's International University, Tokyo, Japan.
5. Ehime University, Toon, Japan.
6. Yodogawa Christian Hospital, Osaka, Japan.
7. Kansai University of Social Welfare, Ako, Japan.