1. Central Laboratory, Medical School of Yangtze University, Hubei 434003, China
2. Department of Endocrinology, Central Hospital of Jingzhou City, Hubei 434001, China
3. Department of Endocrinology, The First Affiliated Hospital of Yangtze University, Hubei 434000, China
4. Department of Internal Medicine, The First Clinical Medical School of Yangtze University, Hubei 434000, China