(1.Department of Geriatric Medicine,Beijing 100853, China ;2. Department of Oncology, Second Medical Center, Chinese PLA General Hospital, Beijing 100853, China;3. Department of Symptom Research;9.Department of Palliative Care, Rehabilitation and Integrative Medicine, University of Texas MD Anderson Cancer Center, Houston 77030, Texas, USA;4. Graduate School, Chinese PLA General Hospital, Beijing 100853, China;5. Department of Publicity, Beijing Hospital, Beijing 100005, China;6. Department of Pain Management, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China;7. Department of Oncology, Baotou Cancer Hospital, Baotou 014030, Inner Mongolia Autonomous Region, China; 8. Hospice Unit, Cancer Hospital of Xinjiang Medical University, Urumqi 830054, China)
R48