1. Psycho-Oncology Division; National Cancer Center Hospital East; Kashiwa Chiba Japan
2. Section of Liaison Psychiatry and Palliative Medicine; Division of Comprehensive Patient Care; Tokyo Medical and Dental University Graduate School of Medical and Dental Sciences; Tokyo Japan
3. Center for Psychiatric Oncology and Behavioral Sciences; Massachusetts General Hospital; Boston MA USA
4. Department of Neuropsychiatry; Keio University School of Medicine; Tokyo Japan
5. Center for Suicide Prevention; National Institute of Mental Health; National Center for Neurology Psychiatry; Tokyo Japan
6. Division of Palliative Nursing, Health Sciences; Tohoku University Graduate School of Medicine; Sendai Japan