1. Institute of Microcirculation, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
2. International Center of Microvascular Medicine, Chinese Academy of Medical Sciences, Beijing, China
3. Department of Radiology, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China
4. Department of Pathology, Wangjing Hospital, China Academy of Chinese Medical Science, Beijing, China
5. Laboratory of Electron Microscopy, Ultrastructural Pathology Center, Peking University First Hospital, Beijing, China
6. Diabetes Research Center, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China