摘要
On behalf of the Chen family, I would like to express sincere gratitude towards the JTS editorial office for this rare opportunity to write an article in the memory of my father. Last August, he peacefully departed at Beijing China-Japan Friendship Hospital due to complications caused by vasculitis. When he first fell ill, it appeared to be just a heavy cold. However, a mere eleven weeks after the first hospital visit for the "cold", he left us forever.
