1. The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
2. Cancer Ward, Palliative Medical Center, New Kunhua Hospital, Kunming, Yunnan, China
3. Department of Oncology, The 920th Hospital of the Chinese People’s Liberation Army Joint Logistic Support Force, Kunming, Yunnan, China
4. Qingyang People’s Hospital, Qingyang, Gansu, China
5. Gansu Academy of Traditional Chinese Medicine, Lanzhou, China