1. Department of Medical Oncology, Fujian Medical University Union Hospital, Fuzhou, Fujian - P.R. China
2. Fujian Medical University Stem Cell Research Institute, Fuzhou, Fujian - P.R. China
3. Department of Geriatrics, Fujian Medical University Union Hospital, Fuzhou, Fujian - P.R. China
4. Department of Medical Oncology, Fujian Provincial Cancer Hospital, Fuzhou, Fujian - P.R. China