| Affiliation: | 1. Department of Endocrinology and Metabolism Disease, The 4th Affiliated Hospital of Harbin Medical University, , Harbin, Heilongjiang, China;2. School of Public Health, Harbin Medical University, , Harbin, Heilongjiang, China;3. Institute of Endemic Disease Control, Harbin Center for Disease Control and Prevention, , Harbin, Heilongjiang, China;4. Department of Endocrinology and Metabolism Disease, The 2nd Affiliated Hospital of Harbin Medical University, , Harbin, Heilongjiang, China |
