1. Center for Health Service, Outcomes Research and Development–Japan (CHORD-J), Tokyo, Japan.
2. School of Health Information Sciences, University of Texas Health Science Center–Houston, Houston, Texas.
3. The University Hospital Medical Information Network (UMIN) Center, University of Tokyo Hospital, Tokyo, Japan.
4. The Okayama Central Hospital, Okayama, Japan.
5. Tanono Clinic, Taisho Town, Kochi, Japan.
6. Palliative Care Service, Tohoku University Hospital, Sendai, Japan.
7. The Schull Institute, Houston, Texas.