1. Department of Endocrinology; The Second Affiliated Hospital of Harbin Medical University; Harbin Heilongjiang Province 150081 China
2. Department of Geriatrics; The Second Affiliated Hospital of Harbin Medical University; Harbin Heilongjiang Province 150081 China
3. Translational Medicine Research and Cooperation Center of Northern China; Heilongjiang Academy of Medical Sciences; Harbin Heilongjiang Province 150081 China