1. Department of Cardiology Ward 2, Luohe Central Hospital, The First Affiliated Hospital of Luohe Medical College, Luohe, China
2. Department of Endocrinology and Diabetes, Luohe Central Hospital, The First Affiliated Hospital of Luohe Medical College, Luohe, China
3. Department of Joint Surgery, Luohe Central Hospital, The First Affiliated Hospital of Luohe Medical College, Luohe, China
4. Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China