1. Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education; Sun Yat-sen University; Guangzhou Guangdong China
2. Zhongshan School of Medicine; Sun Yat-sen University; Guangzhou Guangdong China
3. Cardiovascular Center; Gaozhou People's Hospital; Maoming Guangdong China
4. Guizhou Provincial People's Hospital; Guizhou China
5. Division of Histology and Embryology; Medical College, Jinan University; Guangzhou China
6. Biotherapy Center, The Third Affiliated Hospital; Sun Yat-sen University; Guangzhou Guangdong China