1. Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
2. Shinjo-Clinic, Kobe, Hyogo, Japan
3. Iwata Home Care Clinic, Shizuoka, Japan
4. University of Fukui Hospital, Yoshida-gun, Fukui, Japan
5. Tottori University, Yonago, Tottoti, Japan
6. Seimeikan clinic, Sapporo, Hokkaido, Japan
7. Tsukuba Central Hospital, Tsukuba, Ibaraki, Japan
8. Fukushima Home Palliative Care Clinic, Fukushima, Japan
9. Fujisawa Zengyo Family Clinic, Fujisawa, Kanagawa, Japan
10. Dr. GON Kamakura Clinic, Kanagawa, Japan
11. Miyata Clinic, Tikusei, Ibaraki, Japan
12. Yamato Clinic, Sakuragawa, Ibaraki, Japan
13. Kitaibaraki Center for Family Medicine, Kitaibaraki, Ibaraki, Japan
14. Home Care Keijiro Clinic, Kagawa, Japan
15. Maebashi Kyoritsu Clinic, Maebashi, Gunma, Japan
16. Shimizu Medical Clinic, Akashi, Hyogo, Japan
17. Torimachi Clinic, Takasaki, Gunma, Japan
18. Kamisusaiseikai Hospital, Kamisu, Ibaraki, Japan