1. Department of Endocrinology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050000, P.R. China
2. Department of Cardiology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050000, P.R. China
3. Department of Endocrinology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050000, P.R. China