Xu Weiguo, chief physician, Department of Respiratory Medicine, Xinhua Hospital affiliated to Shanghai Jiaotong University School of Medicine. 1980 graduated from the Faculty of Medicine of Harbin Medical University, and 1988 entered the Department of Internal Medicine and Respiratory Medicine of Shanghai Second Medical University for postgraduate study. He has served as a resident and attending physician in pulmonary department of Ruijin Hospital, attending physician and deputy chief physician in respiratory department of Xinhua Hospital, and was promoted to chief physician in 2000. Invited to Santa Texas, USA? Studying in Antonio University Hospital. He is currently Dean of Xinhua Hospital affiliated to Shanghai Jiaotong University School of Medicine, Deputy Director of Nutrition Department of Shanghai Jiaotong University, Vice Chairman of China Hospital Management Journal, Deputy Director of Shanghai Chronic Lung Specialist Group, Executive Editorial Board of Chinese Journal of Practical Internal Medicine, and Vice Chairman of Shanghai Health Management Research Association.