1. Department of Palliative Care Japanese Red Cross Medical Center Tokyo Japan
2. Department of Palliative Medicine and Advanced Clinical Oncology, IMSUT Hospital, The Institute of Medical Science The University of Tokyo Tokyo Japan
3. Department of Blood Purification, Kidney Center Tokyo Women's Medical University Tokyo Japan
4. Blood Purification Division Asahi Kasei Medical Co., Ltd. Tokyo Japan
5. Kato Michio Clinic of Liver Diseases Hyogo Japan