1. Department of Oncology, Hainan Hospital of Chinese People's Liberation Army General Hospital, Sanya, Hainan 572013, P.R. China
2. Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P.R. China
3. Department of Cardiology, Hainan Hospital of Chinese People's Liberation Army General Hospital, Sanya, Hainan 572013, P.R. China
4. Department of Orthopedics, Hainan Hospital of Chinese People's Liberation Army General Hospital, Sanya, Hainan 572013, P.R. China
5. Department of Oncology, Hainan Hospital of Chinese People's Liberation Army General Hospital, Sanya, Hainan 572013, P.R. China