1. Clinical Nursing Teaching and Research Section, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
2. Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
3. Diabetes Center, Department of Endocrinology, Institute of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Key Laboratory of Diabetes Immunology, Ministry of Education, Changsha, Hunan, China