1. Department of Endocrinology, Second Affiliated Hospital, Kunming Medical University, Kunming 650101, Yunnan, China.
2. Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin 300071, China.
3. Tianjin Key Laboratory of Biomaterial Research, Institute of Biomedical Engineering, Chinese Academy of Medical Science and Peking Union Medical College, Tianjin 300192, China.