[1] Tohoku University School of Medicine,Department of Palliative Medicine
[2] Dongguk University Ilsan Hospital,Hospice & Palliative Care Center, Department of Family Medicine
[3] Dongguk University Medical School,Department of Medicine
[4] Senri-Chuo Hospital,Department of Palliative Care
[5] Seirei Mikatahara General Hospital,Division of Palliative and Supportive Care
[6] Hospice,Department of Palliative Medicine
[7] The Japan Baptist Hospital,Department of Internal Medicine, Palliative Care, Medical Hospital
[8] Kawasaki Municipal Ida Hospital,Department of Palliative Care Unit
[9] Kawasaki Comprehensive Care Center,undefined
[10] Tsukuba Medical Center Hospital,undefined
[11] Tokyo Medical and Dental University,undefined
[12] JCHO Tokyo Shinjuku Medical Center,undefined