大家好！我叫李欣辰，来自江苏南京。本科毕业于东南大学公共卫生学院。期待在这里与同学们互相学习，一同进步！

Hello everyone! My name is Li Xinchen, from Nanjing, Jiangsu Province. I graduated from Southeast University School of Public Health as an undergraduate. I look forward to learning and progressing together with my fellow students here!