1. Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.
2. Department of Gerontology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.
3. Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China.
4. Department of Head and Neck Surgery, Sun Yat-sen University Cancer Center, Guangzhou, China.