Chiba Palliative Medicine Society of Japan
, The Japanese association for clinical research on death and dying
, American Association of Hospice and Palliative Medicine
, International Association for the Study of Pain
, Japanese Association of Supportive Care in Cancer
, Japan Psycho-Oncology Society
, JAPAN SOCIETY OF PAIN CLINICIANS
, The Japanese Society of Palliative Medicine
, THE JAPANESE SOCIETY OF INTERNAL MEDICINE