Xu Biao, male, doctor of medicine. He is currently the director, chief physician, professor, master's and doctoral supervisor of the Department of Cardiology of Gulou Hospital affiliated to Nanjing University School of Medicine. 1997 so far, he has been a senior visiting scholar at St. Thomas Hospital and Guy Hospital in England for three times. He is a recipient of government subsidy from the State Council, member of the Standing Committee of Jiangsu Cardiovascular Society, deputy director of Cardiovascular Branch of Jiangsu Society of Integrated Traditional Chinese and Western Medicine, chairman of Nanjing Cardiovascular Society, chairman of Nanjing Pacing Electrophysiology Society, member of International Heart Research Association, editorial board of Chinese Hypertension Journal, editorial board of Chinese Modern Internal Medicine Journal, editorial board of Chinese Atherosclerosis Journal, editorial board of Jiangsu Medical College, and editorial board of Journal of Nanjing Medical University.