1. Department of Endocrinology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China (mainland)
2. Department of Endocrinology, Xi’an International Medical Center Hospital, Xi’an, Shaanxi, China (mainland)
3. Department of Cardiology, Xijing Hospital, The Fourth Military Medical University, Xi’an, Shaanxi, China (mainland)