1. Department of Cardiology, the Third Xiangya Hospital, Central South University, Changsha, PR China
2. Department of Plastic Surgery, the Second Affiliated Hospital of Harbin Medical University, Harbin, PR China
3. Department of Endocrinology, Changsha Central Hospital, Changsha, PR China
4. Department of Vascular Surgery, the Second Affiliated Hospital of Harbin Medical University, Harbin, PR China