1. Departments of Endocrinology and Metabolism (S.L., T.W., Z.-X.D.), China Medical University, Shenyang 110001, China
2. Geriatrics (H.-Y.Z.), China Medical University, Shenyang 110001, China
3. Biochemistry and Molecular Biology (X.M., Z.-H.Z., D.-H.K., H.-Q.W.), the First Affiliated Hospital, China Medical University, Shenyang 110001, China