1. Division of Supportive Care, Survivorship and Translational Research, National Cancer Center Institute for Cancer Control, Tokyo, Japan.
2. Department of Palliative Care, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, Japan.
3. Department of Hematology, Hyogo Medical University Hospital, Hyogo, Japan.
4. Department of Psycho-Oncology, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo, Japan.