1. Department of Endocrinology, The First Affiliated Hospital of Harbin Medical University, Heze Medical College, No. 1950, Daxue Road, Mudan District, Heze City, Shandong Province 274400, China
2. Department of Endocrinology, The First Affiliated Hospital of Harbin Medical University, Linyi People's Hospital of Shandong Province
3. Heze Medical College, No. 1950, Daxue Road, Heze City, Shandong Province
4. Liaocheng People's Hospital of Liaocheng City, Shandong Province
5. Department of Endocrinology, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin 150001, China