1. Department of Gerontology and Geriatrics Shengjing Hospital of China Medical University Shenyang China
2. Key Laboratory of Medical Cell Biology Institute of Translational Medicine China Medical University Shenyang China
3. Institute of Health Sciences China Medical University Shenyang China
4. Department of Health Statistics School of Public Health China Medical University Shenyang China
5. Department of Medical Oncology the First Hospital of China Medical University Shenyang China