1. Graduate Course of Health and Social Services, Research Development Center, Saitama Prefectural University
2. Department of Nursing, Saitama Prefectural University
3. Graduate School of Health Care Sciences, Tokyo Medical and Dental University
4. Palliative Care Center, Saitama Prefectural Cancer Center
5. Palliative Care Unit, Saitama Prefectural Cancer Center
6. Nursing Department, Saitama Red Cross Hospital
7. Department of Surgery, Niigata Prefectural Tokamachi Hospital
8. Nursing Department, Jichi Medical University Saitama Medical Center
9. Department of Health and Sport Psychology, Faculty of Applied Psychology, Tokyo Seitoku University
10. Faculty of Science, Yamagata University
11. Department of Palliative Care, Saitama Medical Center, Saitama Medical University
12. Internal Medicine, Anetosu Hospital